Philosophy -- Introductions
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Broader terms:Used for:- Philosophy -- Propaedeutics
- Propaedeutics of philosophy
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The Problems of Philosophy, by Bertrand Russell- The Tree of Philosophy (third edition), by Stephen Palmquist (HTML in Hong Kong)
- Initiation Into Philosophy (1914), by Émile Faguet, trans. by Home Gordon (Gutenberg text)
- Initiation into Philosophy (New York and London: G. P. Putnam's Sons, 1914), by Émile Faguet
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The life of the spirit an introduction to philosophy (Putnam, 1909), by Rudolf Eucken and Frank Lubecki Pogson (page images at HathiTrust)- Vvedenie v filosofii︠u︡ (880-05 Moskva : [publisher not identified], 1910., 1910), by Georgīĭ Ivanovich Chelpanov (page images at HathiTrust; US access only)
- Základní filosofie. Logika. Metafysika. (Nákl. Českého Museum, 1844), by Antonín Marek (page images at HathiTrust)
- Zhe xue da gang (Shang wu yin shu guan, 1915), by Yuanpei Cai, Friedrich Paulsen, and Raoul Richter (page images at HathiTrust; US access only)
- System der Philosophie im Grundriss (Bad Sachsa im Harz, 1907), by Eduard von Hartmann (page images at HathiTrust; US access only)
- Le primat de l'intelligence, dans l'histoire de la pensée (Initiation a la philosophie) (Gabriel Beauchesne, 1926), by O Habert (page images at HathiTrust; US access only)
- قسم ثاني الاسفار ([Egypt?, in the 1930s), by J. Heyworth-Dunne (page images at HathiTrust; US access only)
- Cours de philosophie pour les classes de philosophie A et B (psychologie, logique, morale, métaphysique) (F. Alcan, 1926), by P. Félix Thomas (page images at HathiTrust; US access only)
- Zhe xue gai lun (Shang wu yin shu guan, 1920), by Yizhong Liu (page images at HathiTrust; US access only)
- Entwurf eines neuen Organon's der Philosophie : oder, Versuch über die Prinzipien der philosophischen Enkenntniss (1801), by Wilhelm Traugott Krug (page images at HathiTrust)
- Elementos de filosofía (Impr. de la Gaceta mercantil, 1848), by Patrice Larroque (page images at HathiTrust)
- Philosophische Propädeutik auf Naturwissenschaftlicher Grundlape für Höhere Lehranstalten und zum Selbstunterricht. (Berlin, 1898), by August Schulte-Tigges (page images at HathiTrust; US access only)
- Wstęp krytyczny do filozofii, czyli Rozbiór zasadniczych pojęć o filozofii. (E. Wende i Sp., 1896), by Henryk Struve (page images at HathiTrust)
- Introduzione allo studio della filosofia. Ed. rifatta sulla seconda, riv, e corretta dall'autore. (E. Oliva, 1850), by Vincenzo Gioberti (page images at HathiTrust)
- Cours de philosophie, rédigé d'après le nouveau programme pour le baccalauréat ès-lettres. (J. Delalain, 1840), by E. Geruzez (page images at HathiTrust)
- Forelæsninger over Philosophisk propædeutik fra universitetsaaret 1860-61 (Gyldendal, 1862), by R. Nielsen (page images at HathiTrust)
- Grundzüge der Philosohie und der Theosophie populär und für gebildete Leser leicht fasslich dargestellt. (M. Schäfer, 1899), by Bernard Fischer (page images at HathiTrust; US access only)
- Introduction to philosophy (The Macmillan Company, 1917), by Wilhelm Jerusalem and Charles F. Sanders (page images at HathiTrust)
- Philosophische Propädeutik. Ein Leitfaden zu Vorträgen an höhern Lehranstalten. (J.B. Metzler, 1860), by Joseph Beck (page images at HathiTrust)
- Allgemeine Theorie des Denkens und Empfindens; eine Abhandlung, welche den von der Königl. Akademie der Wissenschaften in Berlin auf das Jahr 1776 ausgesetzten Preis erhalten hat. (Christian Friedrich Voss und Sohn, 1786), by J. A. Eberhard (page images at HathiTrust)
- Kleine Seelenlehre für Kinder. ([Hamburg?], 1797), by Joachim Heinrich Campe (page images at HathiTrust)
- Ueber die Möglichkeit einer Form der Philosophie überhaupt. (J.F. Heerbrandt, 1795), by Friedrich Wilhelm Joseph von Schelling (page images at HathiTrust)
- Zhe xue da gang (Shang wu yin shu guan, 1924), by Yuanpei Cai, Friedrich Paulsen, and Raoul Richter (page images at HathiTrust; US access only)
- Anfangsgründe der speculativen Philosophie : Versuch eines Lehrbuchs. (J. C. Dieterich, 1800), by Friedrich Bouterwek (page images at HathiTrust)
- Die Epochen der Vernunft nach der Idee einer Apodiktik : eine gemeinnützige Anmerkung zum Quodlibet der neuesten Philosophie. (H. Dieterich, 1802), by Friedrich Bouterwek (page images at HathiTrust)
- Das System der Philosophie als exacter Wissenschaft enthaltend Logik, Natur-philosophie und Geistesphilosophie. (Nicolae, 1876), by Karl Ludwig Michelet (page images at HathiTrust)
- Introduction to the study of philosophy (A. C. Armstrong and son, 1902), by J. H. W. Stuckenberg (page images at HathiTrust)
- The field of philosophy : an introduction to ... philosophy (O., R. G. Adams & Co., 1919), by Joseph Alexander Leighton (page images at HathiTrust; US access only)
- Grundriss der philosophischen Wissenschaften. (S. G. Zimmermann, 1788), by Gottlob Ernst Schulze (page images at HathiTrust)
- Introduction to the study of philosophy (A. C. Armstrong and son, 1902), by John Henry Wilburn Stuckenberg (page images at HathiTrust)
- Tetsugaku gairon (Iwanami Shoten, 1921), by Wakichi Miyamoto (page images at HathiTrust; US access only)
- Philosophische Elementarlehr mit beständiger Rücksicht auf die ältere Litteratur : in zwei Heften (In der A. Weberschen Buchh., 1802), by Christoph Gottfried Bardili (page images at HathiTrust)
- Introduction to the study of philosophy (A.C. Armstrong, 1888), by J. H. W. Stuckenberg (page images at HathiTrust)
- Vorlesungen über die theoretische und praktische Philosophie (Bey Franz Xaver Rienner, 1797), by Maternus Reuss (page images at HathiTrust)
- Wege und Ziele der Ästhetik (W. Braumüller, 1906), by Wilhelm Jerusalem (page images at HathiTrust; US access only)
- Curso de filosofía elemental. (Librería de Rosa y Bouret, 1858), by Jaime Luciano Balmes (page images at HathiTrust)
- Invitation to philosophy. (Greenwood Press, 1968), by Durant Drake (page images at HathiTrust; US access only)
- Philosophies and philosophers. (Chandler Pub. Co., 1961), by Milton D. Hunnex (page images at HathiTrust; US access only)
- Einleitung in die Philosophie (J. Kosel, 1920), by Joseph Anton Endres (page images at HathiTrust; US access only)
- Filosofia elementar. (F. Franc̦a Amado, 1916), by J. Mendes dos Remédios (page images at HathiTrust; US access only)
- Philosophy for the millions (Loyola University Press, 1963), by James Aloysius McWilliams (page images at HathiTrust; US access only)
- The Will to Doubt: An essay in philosophy for the general thinker, by Alfred H. Lloyd (Gutenberg ebook)
Items below (if any) are from related and broader terms.
Filed under: Philosophy- Essays in the History of Ideas (originally published 1948; open access edition Baltimore: Johns Hopkins University Press, 2019), by Arthur O. Lovejoy (illustrated HTML and PDF files with commentary at Project MUSE)
- The Philosophical Salon: Speculations, Reflections, Interventions (London: Open Humanities Press, 2017), ed. by Michael Marder and Patricia I. Vieira (PDF with commentary at Open Humanities Press)
- What is Philosophy? Embodiment, Signification, Reality (Melbourne: Re.press, 2014), by Jere Paul Surber (PDF with commentary at re-press.org)
- Negations: Essays in Critical Theory (London: MayFlyBooks, 2009), by Herbert Marcuse, trans. by Jeremy J. Shapiro (PDF at monoskop.org)
- Logical and Spiritual Reflections (c2008), by Avi Sion (HTML at thelogician.net)
- The Philosophic Principles of Rational Being (2007), by Roger Ellman (PDF files with commentary at the-origin.org)
- On Human Nature: A Gathering While Everything Flows, 1967-1984 (Berkeley: University of California Press, c2003), by Kenneth Burke, ed. by William H. Rueckert and Angelo Bonadonna (frame-dependent HTML with commentary at UC Press)
- Concepts and Categories: Philosophical Essays (c1999), by Isaiah Berlin, ed. by Henry Hardy, contrib. by Bernard Arthur Owen Williams (PDF files in the UK)
- Collected Works of John Stuart Mill (32 volumes (omits 33rd index volume); Toronto: University of Toronto Press; London: Routledge and Kegan Paul, 1963-1991), by John Stuart Mill, ed. by John M. Robson (at oll.libertyfund.org)
- Bibliothèque de la Faculté de Philosophie et Lettres de l'Université de Liège (in French) (partial serial archives)
- Reading Hegel: The Introductions (2008), by Georg Wilhelm Friedrich Hegel, ed. by Aakash Singh and Rimina Mohapatra (PDF with commentary at re-press.org)
- Plato's Euthydemus: Analysis of What Is and Is Not Philosophy (Berkeley: University of California Press, 1992), by Thomas H. Chance (HTML at UC Press)
- The Philosophical Works of Descartes (2 volumes; New York: Dover Publications, c1955), by René Descartes, trans. by Elizabeth Sanderson Haldane and G. R. T. Ross (page images at HathiTrust)
- The Spirit of the Age: Hegel and the Fate of Thinking (2008), ed. by Paul Ashton, Toula Nicolacopoulos, and George Vassilacopoulos (PDF with commentary at re-press.org)
- Franciscan Institute Publications (full serial archives)
- Dark Deleuze (Minneapolis: University of Minnesota Press, 2016), by Andrew Culp (illustrated HTML with commentary at umn.edu)
- The Mathematics of Novelty: Badiou's Minimalist Metaphysics (2008), by Sam Gillespie (PDF with commentary at re-press.org)
- Philosophy and the Social Problem (second edition; New York: Simon and Schuster, 1928), by Will Durant (page images at HathiTrust)
- Numinous Subjects: Engendering the Sacred in Western Culture, An Essay (2007), by Lucy Tatman (multiple formats with commentary at ANU E Press)
- The Story of Philosophy: The Lives and Opinions of the Greater Philosophers (New York: Simon and Schuster, 1926), by Will Durant
- The Philosophy of William James, Drawn From His Own Works (New York: Modern Library, c1925), by William James, ed. by Horace Meyer Kallen (multiple formats at archive.org)
- L'Énergie Spirituelle: Essais et Conférences (7th edition, in French; Paris: F. Alcan, 1922), by Henri Bergson (multiple formats at archive.org)
- Characteristics, by Thomas Carlyle (HTML at Bartleby)
- The Cosmic God: A Fundamental Philosophy in Popular Lectures (Cincinnati: Office American Israelite and Deborah, 1876), by Isaac Mayer Wise (PDF at americanjewisharchives.org)
- Creative Intelligence: Essays in the Pragmatic Attitude (New York: Henry Holt and Co., 1917), by John Dewey, Addison Webster Moore, Harold Chapman Brown, George Herbert Mead, Boyd Henry Bode, Henry Waldgrave Stuart, James Hayden Tufts, and Horace Meyer Kallen (Gutenberg text)
- The Dialogues of Plato, Translated Into English with Analyses and Introductions (third edition, 5 volumes; Oxford University Press, 1892), by Plato, ed. by Benjamin Jowett (HTML and PDF at libertyfund.org)
- The Discovery of the Future (New York: B. W. Huebsch, 1913), by H. G. Wells
- The Discovery of the Future: A Discourse Delivered to the Royal Institution on January 24, 1902 (London: T. F. Unwin, 1902), by H. G. Wells
- Elements of Intellectual Philosophy, by Hubbard Winslow (page images at MOA)
- An Essay on the Principles of Human Action: Being an Argument in Favour of the Natural Disinterestedness of the Human Mind; To Which Are Added Some Remarks on the Systems of Hartley and Helvetius (London: Printed for J. Johnson, 1805), by William Hazlitt
- Essays on Philosophical Subjects, by the Late Adam Smith, LL.D., Fellow of the Royal Societies of London and Edinburgh, &c., &c.; To Which is Prefixed an Account of the Life and Writings of the Author (London: Printed for T. Cadell and W. Davies, 1795), by Adam Smith, ed. by James Hutton and Joseph Black, contrib. by Dugald Stewart (page images at HathiTrust)
- Fichtes Werke (6 volumes in German; Leipzig: F. Meiner, ca. 1911-1912), by Johann Gottlieb Fichte, ed. by Fritz Medicus (all volumes: page images at HathiTrust; US access only)
- French and English Philosophers: Descartes, Rousseau, Voltaire, Hobbes (Harvard Classics v34; New York: P. F. Collier and Son, c1910), ed. by Charles William Eliot and William Allan Neilson, contrib. by René Descartes, Jean-Jacques Rousseau, Voltaire, and Thomas Hobbes
- The Gift of Fire, by Richard Mitchell
- An Introduction to Philosophy (New York and London: MacMillan, 1915), by George Stuart Fullerton (Gutenberg text)
- The Life of Reason, by George Santayana (Gutenberg text)
- Mysticism and Logic, and Other Essays (reprint of the 1917 edition), by Bertrand Russell (Gutenberg text and page images)
- Outlines of Cosmic Philosophy, Based on the Doctrine of Evolution (London: Macmillan and Co., 1874), by John Fiske
- Philosophical Studies (London and New York: Macmillan, 1905), by David G. Ritchie, ed. by Robert Latta (page images at HathiTrust)
- Philosophy and the Social Problem (New York: Macmillan, 1917), by Will Durant
- Philosophy as Absolute Science, Founded in the Universal Laws of Being, and Including Ontology, Theology, and Psychology Made One, as Spirit, Soul, and Body (only 1 volume published; Boston: Walker, Wise, and Co., 1864), by Ephraim L. Frothingham and Arthur L. Frothingham
- Plato the Teacher: Being Selections from the Apology, Euthydemus, Protagoras, Symposium, Phaedrus, Republic, and Phaedo of Plato (New York: Charles Scribner's Sons, 1897), by Plato, ed. by William Lowe Bryan and Charlotte Lowe Bryan, trans. by Benjamin Jowett (multiple formats at archive.org)
- The Principles of the Most Ancient and Modern Philosophy (London, 1692), by Anne Conway (HTML at Celebration of Women Writers)
- Reconstruction in Philosophy (New York: Henry Holt and Co., 1920), by John Dewey
- Scepsis Scientifica: or, The Vanity of Dogmatizing (based on multiple early editions, with modernized spelling), by Joseph Glanvill (multiple formats with commentary at exclassics.com)
- The Sciences of Nature Versus the Science of Man, by Noah Porter (page images at MOA)
- Selections from the Principles of Philosophy, by René Descartes, trans. by John Veitch (Gutenberg text)
- Selections from the Writings of Kierkegaard, by Søren Kierkegaard, trans. by Lee M. Hollander (multiple formats with commentary at CCEL)
- Søren Kierkegaards Samlede Vaerker (14 volumes in Danish; Copenhagen: Gyldendal, 1901-1906), by Søren Kierkegaard, ed. by A. B. Drachmann, J. L. Heiberg, and H. O. Lange
- all volumes: page images at HathiTrust; US access only
- Volume I: multiple formats at archive.org
- Volume II: multiple formats at archive.org
- Volume III: multiple formats at archive.org
- Volume IV: multiple formats at archive.org
- Volume V: multiple formats at archive.org
- Volume VI: multiple formats at archive.org
- Volume VII: multiple formats at archive.org
- Volume VIII: multiple formats at archive.org
- Volume IX: multiple formats at archive.org
- Volume X: multiple formats at archive.org
- Volume XI: multiple formats at archive.org
- Volume XII: multiple formats at archive.org
- Volume XIII: multiple formats at archive.org
- Volume XIV: multiple formats at archive.org
- Talks With Socrates About Life: Translations From the Gorgias and Republic of Platro (New York: C. Scribner's Sons, 1887), by Plato, trans. by Ellen Francis Mason (multiple formats at archive.org)
- The Treasure of the Humble (New York: Dodd, Mead and Co., n.d.), by Maurice Maeterlinck, trans. by Alfred Sutro, contrib. by Arthur Bingham Walkley (page images at HathiTrust)
- The Twilight of the Idols; The Antichrist; Eternal Recurrence; Notes to Zarathustra (from a set of Nietzsche's complete works; 1911), by Friedrich Wilhelm Nietzsche, trans. by Anthony M. Ludovici (page images at HathiTrust)
- Understanding Reality: A Commonsense Theory of the Original Cause (without appendices), by Stefan Hlatky and Philip Booth (HTML with commentary in the UK)
- The Wisdom and Religion of a German Philosopher: Being Selections From the Writings of G. W. F. Hegel (London: Kegan Paul, Trench, Trubner and Co., 1897), by Georg Wilhelm Friedrich Hegel, ed. by Elizabeth Sanderson Haldane
- The World as Will and Idea (London: Kegan Paul, Trench, Trubner and Co., ca.1909), by Arthur Schopenhauer, trans. by Richard Burdon Haldane and John Kemp
- The Philosophy of Man (Milwaukee: Bruce Pub. Co., c1948), by Henri Renard (page images at HathiTrust)
- Matters of Conscience: Conversations with Sterling M. McMurrin on Philosophy, Education, and Religion (c1996), by Sterling M. McMurrin and L. Jackson Newell (illustrated HTML at Signature Books)
- Historied Thought, Constructed World: A Conceptual Primer for the Turn of the Millennium (Berkeley: University of California Press, 1995), by Joseph Margolis (HTML at UC Press)
- Kantstudien: Ergänzunshefte (in German) (partial serial archives)
- Also Sprach Zarathustra: Ein Buch für Alle und Keinen (fourth edition, in German; Leipzig: C. G. Naumann, 1895), by Friedrich Wilhelm Nietzsche (page images at HathiTrust)
- Also Sprach Zarathustra: Ein Buch für Alle und Keinen (in German; Leipzig: Insel-Verlag, 1908), by Friedrich Wilhelm Nietzsche
- Complete Philosophical and Theological Treatises of Anselm of Canterbury, by Saint Anselm, trans. by Jasper Hopkins and Herbert Richardson (PDF files with commentary at umn.edu)
- Diderot's Early Philosophical Works (Chicago and London: Open Court Pub. Co., 1916), by Denis Diderot, ed. by Margaret Jourdain (multiple formats at archive.org)
- Elements of Logic: Together With an Introductory View of Philosophy in General, and a Preliminary View of the Reason (New York and London: Wiley and Putnam, 1844), by Henry Philip Tappan
- Elements of Logic: Together With an Introductory View of Philosophy in General, and a Preliminary View of the Reason (New York: D. Appleton and Co., 1856), by Henry Philip Tappan (page images at MOA)
- The Influence of Darwin on Philosophy, and Other Essays in Contemporary Thought, by John Dewey (multiple formats at archive.org)
- The Range of Reason, by Jacques Maritain (HTML at Notre Dame)
- Religion: A Dialogue, Etc., by Arthur Schopenhauer, ed. by T. Bailey Saunders (Gutenberg text)
- Thus Spake Zarathustra, by Friedrich Wilhelm Nietzsche, trans. by Thomas Common (Gutenberg text)
- The Works of Jeremy Bentham, Now First Collected Under the Superintendence of His Executor, John Bowring (11 volumes in 22; Edinburgh: W. Tait; et al., 1838-1843), by Jeremy Bentham, ed. by John Bowring (page images at HathiTrust)
- Aesthetic as Science of Expression and General Linguistic, by Benedetto Croce, trans. by Douglas Ainslie (Gutenberg text)
- The Amateur Philosopher (New York: Charles Scribner's Sons, 1917), by Carl H. Grabo
- Anti-Dühring: Herr Eugen Dühring's Revolution in Science, by Friedrich Engels, trans. by Emile Burns (HTML at marxists.org)
- Father Payne (1915), by Arthur Christopher Benson (Gutenberg text)
- Pubblicazioni. Serie 1, S (Milan : [publisher not identified], 1923-44., 1923), by Università cattolica del Sacro Cuore (page images at HathiTrust; US access only)
- Travaux de la Faculté de philosophie et lettres de l'Université catholique de Louvain. (Bibliothèque de l'Université., 1967) (page images at HathiTrust; US access only)
- Studies in the history of ideas. (Columbia Univ. Press., 1918), by Columbia University. Dept. of Philosophy (page images at HathiTrust)
- Papirer. (Gyldendal, 1968), by Søren Kierkegaard and Niels Thulstrup (page images at HathiTrust; US access only)
- Opere filosofiche di Roberto Ardigò. (A. Draghi, 1882), by Roberto Ardigò (page images at HathiTrust; US access only)
- De lúsage et de lábus de l'ésprit philosophique durant le dix-huitième siècle (Moutardier :, 1827), by Jean-Etienne-Marie Portalis and Joseph Marie Portalis (page images at HathiTrust)
- Filosofskie sochinenii͡a (Presse libre, 1892), by A. A. Meĭer (page images at HathiTrust)
- Studies at leisure (Chapman and Hall, 1892), by W. L. Courtney (page images at HathiTrust)
- Essais politiques et philosophiques (Michel Lévy frères, 1862), by Thomas Babington Macaulay Macaulay and Guillaume Guizot (page images at HathiTrust)
- Under the apple-trees (Houghton Mifflin, 1916), by John Burroughs (page images at HathiTrust)
- Gesammelte Werke. (F. Meiner, 1968), by Georg Wilhelm Friedrich Hegel and Deutsche Forschungsgemeinschaft (page images at HathiTrust; US access only)
- La synthèse en histoire : essai critique et théorique. (Alcan, 1911), by Henri Berr (page images at HathiTrust; US access only)
- Persönlichkeit und Weltanschauung : Psychologische untersuchungen zu Religion, Kunst und Philosophie (B. G. Teubner, 1919), by Richard Müller-Freienfels (page images at HathiTrust; US access only)
- Persönlichkeit und Weltanschauung : die Psychologischen grundtypen in Religion, Kunst und Philosophie (B. G. Teubner, 1923), by Richard Müller-Freienfels (page images at HathiTrust; US access only)
- Creative personality; a study in philosophical reconciliation (The Macmillan company, 1926), by Ralph Tyler Flewelling (page images at HathiTrust)
- Probleme der Wissenschaftstheorie; Festschrift für Victor Kraft. (Springer, 1760), by Ernst Topitsch and Viktor Kraft (page images at HathiTrust)
- Historische Briefe. (Akademischer Verlag für sociale Wissenschaften J. Edelheim, 1901), by P. L. Lavrov (page images at HathiTrust; US access only)
- The philosophy of character (Harvard university press, 1924), by Edgar Pierce (page images at HathiTrust)
- Philosophie und Geschichte. (J.C.B. Mohr (P. Siebeck), 1922) (page images at HathiTrust; US access only)
- Transactions of the Aberdeen Philosophical Society. (Printed for the Society., 1884), by Philosophical Society of Aberdeen (page images at HathiTrust)
- Washington University studies; New series. Social and philosophical sciences. (Published by Washington University, 1927), by Mo.) Washington University (Saint Louis (page images at HathiTrust; US access only)
- Beiträge zur Philosophie. (C. Winter., 1912) (page images at HathiTrust; US access only)
- Philosophische und psychologische arbeiten (H. Beyer & söhne., 1921) (page images at HathiTrust; US access only)
- Revue philosophique de la France et de l'étranger. (Presses universitaires de France, 1876), by Th. Ribot (page images at HathiTrust)
- Publications of the Philological Committee <t. 33, t. 41-> (Nakł. Poznanskiego Towarzystwa Przyjaciół Nauk, 1921), by Poznańskie Towarzystwo Przyjaciół Nauk. Komisja Filologiczna (page images at HathiTrust; US access only)
- Archives of philosophy. (Columbia University Press., 1907), by Frederick James Eugene Woodbridge (page images at HathiTrust)
- Études d'histoire et de philosophie religieuses. (Paris., 1922), by Université de Strasbourg. Faculté de théologie protestante (page images at HathiTrust; US access only)
- University of California publications in philosophy. (University of California press, 1904), by University of California (1868-1952) and Berkeley University of California (page images at HathiTrust)
- Neue Heidelberger Jahrbücher (G. Koester, 1891), by Historisch-Philosophischer Verein zu Heidelberg (page images at HathiTrust)
- Filosofii͡a izobretenii͡a i izobretenie v filosofii (vvedenie v istorii͡u filosofii). ("Plami͡a,", 1924), by Ivan Ivanovich Lapshin (page images at HathiTrust; US access only)
- Sborník. (V Bratislavě., 1923), by Univerzita Komenského v Bratislave. Filozofická fakulta (page images at HathiTrust; US access only)
- Philosophic studies. (The University of Chicago Press, 1907), by University of Chicago. Department of Philosophy (page images at HathiTrust)
- Beiträge zur Psychologie und Philosophie. (Verlag W. Engelmann., 1896), by Götz Martius (page images at HathiTrust; US access only)
- Frommanns Klassiker der Philosophie. (F. Frommanns Verlag (E. Hauff), 1896), by Richard Friedrich Otto Falckenberg (page images at HathiTrust)
- Denkschriften (In Kommission bei R. Roher, 1950), by Österreichische Akademie der Wissenschaften. Philosophisch-Historische Klasse (page images at HathiTrust)
- Arbeiten zur psychologie und philosophie ... (J. A. Barth, 1920), by E. R. Jaensch (page images at HathiTrust; US access only)
- Gesammelte kleinere Schriften zur Philosophue und Psychologie (M. Nijhoff, 1927), by Gerard Heymans (page images at HathiTrust; US access only)
- Anzeiger der Akademie der Wissenschaften in Krakau. Philologische Klasse. Historisch-philosophische Klasse (Impr. de l'Université, 1897), by Polska Akademia Umiejętności (page images at HathiTrust)
- Philosophische Schriften. (C. Winter, 1922), by Julius Fischer and Theodor Alt (page images at HathiTrust; US access only)
- Cours de psychologie; fait à Paris, sous les auspices du gouvernement. (Merklein, 1836), by Heinrich Ahrens (page images at HathiTrust)
- Mental science : a compendium of psychology, and the history of philosophy, designed as a text-book for high-schools and colleges (D. Appleton and company, 1870), by Alexander Bain (page images at HathiTrust)
- Mental science; a compendium of psychology, and the history of philosophy, designed as a text-book for high-schools and colleges. (D. Appleton and company, 1886), by Alexander Bain (page images at HathiTrust)
- Sartor resartus: the life and opinions of Herr Teufelsdröckh. In three books. (Chapman and Hall, 1872), by Thomas Carlyle (page images at HathiTrust)
- Skrifter utgit av det Norske videnskaps-akademi i Oslo. II, Hist.-filos. klasse (I kommission hos J. Dybwad, 1925), by Norske videnskaps-akademi i Oslo. II--Hist.-filos. klasse (page images at HathiTrust)
- Revue philosophique de Louvain. (Editions de l'Institut supérieur de philosophie, 1946), by Société philosophique de Louvain, Université catholique de Louvain (1970- ). Institut supérieur de philosophie, and Université catholique de Louvain (1835-1969). Institut supérieur de philosophie (page images at HathiTrust; US access only)
- Revue de métaphysique et de morale (Hachette, 1893) (page images at HathiTrust)
- Congrès des sociétés philosophies américaine, anglaises, belge, italienne et de la Société française de philosophie. Communications & discussions. (A. Colin, 1921), by Société française de philosophie (page images at HathiTrust; US access only)
- The elements of intellectual philosophy. ... (Sheldon & company, 1868), by Francis Wayland (page images at HathiTrust)
- The Friend : a series of essays to aid in the formation of fixed principles in politics, morals, and religion, with literary amusements interspersed (W. Pickering, 1837), by Samuel Taylor Coleridge and Henry Nelson Coleridge (page images at HathiTrust)
- Mathematik und philosophische Propädeutik (B.G. Teubner, 1912), by Alexander Wernicke (page images at HathiTrust; US access only)
- Prace. (Poznań., 1925), by Poznańskie Towarzystwo Przyjacół Nauk. Komisja Filozoficzna (page images at HathiTrust; US access only)
- Abstracts of theses submitted in partial fulfillment of the requirements for the degree of doctor of philosophy. (Madison., 1917), by University of Wisconsin (page images at HathiTrust)
- Česká mysl. (Filosofická jednota, 1900), by Czech Republic) Filosofická jednota (Prague (page images at HathiTrust; US access only)
- Bulletin of the Philosophical Society. Scientific section (University of Virginia, 1910), by University of Virginia and Philosophical Society (University of Virginia) (page images at HathiTrust)
- Sur l'angoisse métaphysique; essai de philosophie de la philosophie (M. Lamertin, 1934), by Henri Édouard Pirenne (page images at HathiTrust; US access only)
- Philosophy in process. (Southern Illinois University Press, 1963), by Paul Weiss (page images at HathiTrust)
- Some problems of philosophy; a beginning of an introduction to philosophy. (Greenwood Press, 1968), by William James and Horace Meyer Kallen (page images at HathiTrust)
- Studies in contemporary metaphysics (Harcourt, Brace and Howe, 1920), by Reinhold Friedrich Alfred Hoernlé (page images at HathiTrust)
- Œuvres de Descartes (L.Cerf, 1897), by René Descartes, Louis-Charles d'Albert Luynes, Paul Tannery, Ch. Adam, and France. Ministère de l'éducation nationale (page images at HathiTrust; US access only)
- Plato in twelve volumes (Harvard University Press ;, 1914), by Plato, Paul Shorey, Robert Gregg Bury, W. R. M. Lamb, and Harold North Fowler (page images at HathiTrust; US access only)
- Some of the philosophical essays on socialism and science, religion, ethics, critique-of-reason and the world-at-large (C. H. Kerr & company, 1906), by Joseph Dietzgen, Fedar Arnovich Rothstein, M. Beer, Joseph Dietzgen, Eugene Dietzgen, and Ernest Untermann (page images at HathiTrust)
- Landmarks of scientific socialism, "anti-Duehring" (C.H. Kerr & Company, 1907), by Friedrich Engels and Austin Lewis (page images at HathiTrust)
- Decadence and other essays on the culture of ideas (Harcourt, Brace and company, 1921), by Remy de Gourmont and Rouben Mamoulian Collection (Library of Congress) (page images at HathiTrust)
- The philosophy of "Hamlet". (Williams and Norgate, 1874), by Thomas Tyler (page images at HathiTrust)
- A new study of Shakespeare : an inquiry into the connection of the plays and poems, with the origins of the classical drama, and with the platonic philosophy, through the mysteries. (London, Trübner and Co., Paternoster Row, E.C., [1884], 1884), by William Francis C. Wigston (page images at HathiTrust)
- The friend; a literary, moral, and political weekly paper, excluding personal and party politics and the events of the day. (Printed and published by J. Brown; and sold by Messrs. Longman and Co., and Clement, London, 1809), by Samuel Taylor Coleridge (page images at HathiTrust)
- The friend: a series of essays, in three volumes, to aid in the formation of fixed principles in politics, morals, and religion, with literary amusements interspersed. (R. Fenner, 1818), by Samuel Taylor Coleridge (page images at HathiTrust)
- The friend: a series of essays to aid in the formation of fixed principles in politics, morals, and religion. With literary amusements interspersed. (C. Goodrich, 1831), by Samuel Taylor Coleridge (page images at HathiTrust)
- Essays on the principles of human action; on the systems of Hartley and Helvetius; and on abstract ideas. (J. Miller, 1835), by William Hazlitt and William Hazlitt (page images at HathiTrust)
- Oracles on man and government (Macmillan and co., limited, 1923), by John Morley (page images at HathiTrust)
- Philosophy (American Library Association, 1926), by Alexander Meiklejohn (page images at HathiTrust)
- Philosophic nights in Paris (J.W. Luce, 1920), by Remy de Gourmont (page images at HathiTrust)
- Kant's gesammelte Schriften (G. Reimer, 1902), by Immanuel Kant, Kant-Gesellschaft. Landesgruppe Rheinland-Westfalen, and Deutsche Akademie der Wissenschaften zu Berlin (page images at HathiTrust; US access only)
- Essays (G. P. Putnam's sons, 1907), by Michel de Montaigne, Adolphe Cohn, and John Florio (page images at HathiTrust; US access only)
- Euripides the idealist (J.M. Dent and sons ltd. ;, 1927), by R. B. Appleton (page images at HathiTrust; US access only)
- Parmenides Lehrgedicht; griechisch und deutsch (G. Reimer, 1897), by Parmenides and Hermann Diels (page images at HathiTrust)
- Qalb ʻArabī wa-ʻaql Ūrubbī (880-03 al-Quds : Maṭbaʻat Bayt al-Maqdis, 1342 [1924], 1924), by Muḥammad Isʻāf Nashāshībī (page images at HathiTrust; US access only)
- The works, political, metaphisical, and chronological, of the late Sir James Steuart of Coltness, bart. (Printed for T. Cadell and W. Davies, 1805), by James Steuart and James Steuart (page images at HathiTrust)
- Occasionall reflections. (Printed for T. Cadell [etc.], 1808), by Robert Boyle, John Weyland, W. Bulmer and Co, and Cadell & Davies (Firm) (page images at HathiTrust)
- Shakspere and his forerunners; studies in Elizabethan poetry and its development from early English (Doubleday, Page & co., 1902), by Sidney Lanier and Henry Wysham Lanier (page images at HathiTrust)
- Oxford lectures on philosophy, 1910-1923. (Clarendon Press, 1908), by Clement Charles Julian Webb, J. A. Smith, George Santayana, Bertrand Russell, Harold H. Joachim, Henry Scott Holland, Edwin Sidney Hartland, and William Bateson (page images at HathiTrust; US access only)
- Philosophical essays presented to John Watson. (Queen's University, 1922), by John Watson (page images at HathiTrust; US access only)
- Philosophical essays in honor of James Edwin Creighton (The Macmillan company, 1917), by George Holland Sabine and James Edwin Creighton (page images at HathiTrust; US access only)
- Essays in philosophical criticism (Longmans, Green, and co., 1883), by A. Seth Pringle-Pattison and Richard Burdon Haldane (page images at HathiTrust)
- Personal idealism : philosophical essays by eight members of the University of Oxford (Macmillan, 1902), by Henry Cecil Sturt (page images at HathiTrust)
- Systematische philosophie (B.G. Teubner, 1907), by Wilhelm Dilthey (page images at HathiTrust; US access only)
- Revaluations: historical and ideal (Watts, 1909), by Alfred William Benn (page images at HathiTrust; US access only)
- Lectures delivered in connection with the dedication of the Graduate college of Princeton university in October, 1913 (Princeton University Press, 1914), by Emile Boutroux, A. E. Shipley, A. D. Godley, and Alois Riehl (page images at HathiTrust)
- The beyond that is within, and other addresses (Duckworth & co., 1912), by Émile Boutroux and Jonathan Nield (page images at HathiTrust; US access only)
- Short talks upon philosophy (Constable & company limited, 1923), by Henry Hardinge Samuel Cunynghame (page images at HathiTrust; US access only)
- Tertium quid : chapters on various disputed questions (K. Paul, Trench, 1887), by Edmund Gurney (page images at HathiTrust)
- Quests old and new (G. Bell, 1913), by G. R. S. Mead (page images at HathiTrust)
- Philosophische abhandlungen dem andenken Rudolf Hayms gewidmet von freunden und schülern. (M. Niemeyer, 1902), by Alois Riehl (page images at HathiTrust; US access only)
- Essays in philosophy (University press,L, 1927), by James Ward, George Frederick Stout, W. R. Sorley, and Olwen Ward Campbell (page images at HathiTrust; US access only)
- Zwischen philosophie und kunst. Johannes Volkelt zum 100. lehrsemester. (E. Pfeiffer, 1926), by Willy Schuster (page images at HathiTrust; US access only)
- Three types of logical theory. (Univ of Chicago, 1918), by Holly Estil Cunningham (page images at HathiTrust)
- Reason and the nature of things : reflections on the cognitive function of philosophy (Open Court, 1959), by Jacob Loewenberg (page images at HathiTrust)
- Philosophy, its scope and relations : an introductory course of lectures / by the late Henry Sidgwick. (Macmillan, 1902), by Henry Sidgwick and James Ward (page images at HathiTrust)
- Philosophy and the ideological conflict; an analysis of idealism and materialism and the influence of these philosophies on the over-all world struggle between capitalism and socialism. (Philosophical Library, 1953), by Charles S. Seely (page images at HathiTrust)
- The scientific approach to philosophy; selected essays and reviews. (Macmillan, 1924), by Herbert Wildon Carr (page images at HathiTrust)
- After-dinner philosophy (G. Routledge & sons, ltd., 1926), by C. E. M. Joad and John Strachey (page images at HathiTrust; US access only)
- On the philosophy of discovery, chapters historical and critical (J.W. Parker and Son, 1860), by William Whewell (page images at HathiTrust)
- An introduction to philosophy. (Macmillan, 1913), by Orlin Ottman Fletcher (page images at HathiTrust)
- Elements of philosophy. (Ronald Press, 1953), by Louis O. Kattsoff (page images at HathiTrust)
- History of philosophy (Boston : Ginn & Company, Publishers, 1903., 1903), by William Turner (page images at HathiTrust)
- La philosophie (C. Reinwald et cie, 1879), by André Paul Émile Lefèvre (page images at HathiTrust)
- La philosophie comparée (F. Alcan, 1923), by Paul Masson-Oursel (page images at HathiTrust; US access only)
- Comparative philosophy (K. Paul, Trench, Trubner & co., ltd.:, 1926), by Paul Masson-Oursel and Vera Christina Chute Collum (page images at HathiTrust; US access only)
- Studien und kritiken zur philosophie und aesthetik. (W. Braumüller, 1870), by Robert Zimmermann (page images at HathiTrust)
- The works of Aristotle (Clarendon Press, 1908), by Aristotle, J. A. Smith, and W. D. Ross (page images at HathiTrust; US access only)
- Giordano Bruno und Nicolaus von Cusa : eine philosophische Abhandlung (J. Wittmann, 1847), by Franz Jakob Clemens (page images at HathiTrust)
- Strife of systems and productive duality; an essay in philosophy. (Harvard University Press, 1918), by Wilmon Henry Sheldon (page images at HathiTrust)
- Modern theories in philosophy and religion (W. Blackwood, 1884), by John Tulloch (page images at HathiTrust)
- Some influences in modern philosophic thought (Yale university press; [etc., etc.], 1913), by Arthur Twining Hadley (page images at HathiTrust)
- An outline of philosophy. with notes, historical and critical (J. Maclehose and sons;, 1898), by John Watson (page images at HathiTrust)
- The philosophy of humanism and other subjects (J. Murray, 1922), by Richard Burdon Haldane (page images at HathiTrust)
- Humanism; philosophical essays (Macmillan and co., limited, 1912), by F. C. S. Schiller (page images at HathiTrust)
- Idealism as a philosophical doctrine (Hodder & Stoughton, 1924), by Reinhold Friedrich Alfred Hoernlé (page images at HathiTrust; US access only)
- Creative intelligence; essays in the pragmatic attitude (Holt, 1917), by Horace Meyer Kallen, James Hayden Tufts, Henry Waldgrave Stuart, Boyd Henry Bode, George Herbert Mead, Harold Chapman Brown, Addison Webster Moore, and John Dewey (page images at HathiTrust)
- Physical realism, being an analytical philosophy from the physical objects of science to the physical data of sense (Longmans, Green, and co., 1888), by Thomas Case (page images at HathiTrust)
- Present-day thinkers and the new scholasticism : an international symposium (B. Herder book co., 1927), by John Stanislaus Zybura (page images at HathiTrust)
- A scientific foundation of philosophy : ([s.n.], 1952), by William Leonard Hoerber (page images at HathiTrust)
- Philosophy as absolute science, founded in the universal laws of being, and including ontology, theology, and psychology made one, as spirit, soul, and body (Walker, Wise and company, 1864), by Ephraim Langdon Frothingham and Arthur L. Frothingham (page images at HathiTrust)
- The sciences of nature versus the science of man. A plea for the science of man. (Dodd & Mead, 1871), by Noah Porter (page images at HathiTrust)
- The syllogistic philosophy or prolegomena to science (Little, Brown, 1906), by Francis Ellingwood Abbot (page images at HathiTrust)
- The philosophy of form (The Open court publishing company; [etc., etc.], 1911), by Paul Carus (page images at HathiTrust)
- Philosophy as a science : a synopsis of the writings of Paul Carus, containing an introduction written by himself, summaries of his books, and a list of articles to date. (Open Court, 1909), by Paul Carus (page images at HathiTrust)
- Studies in speculative philosophy (The Macmillan company, 1925), by James Edwin Creighton and Harold Robert Smart (page images at HathiTrust)
- The influence of Darwin on philosophy, and other essays in contemporary thought (Henry Holt, 1910), by John Dewey (page images at HathiTrust)
- Problems of men (Philosophical Library, 1946), by John Dewey (page images at HathiTrust)
- Inside experience : a naturalistic philosophy of life and the modern world (Longmans, Green and co., 1927), by Joseph K. Hart (page images at HathiTrust)
- Genetic philosophy. (Macmillan, 1893), by David Jayne Hill (page images at HathiTrust)
- The philosophy of William James, drawn from his own works (The Modern library, 1925), by William James and Horace Meyer Kallen (page images at HathiTrust)
- Collected essays and reviews (Longmans, Green, 1920), by William James (page images at HathiTrust)
- Essays in pragmatism (Hafner, 1948), by William James and Alburey Castell (page images at HathiTrust)
- The will to believe : and other essays in popular philosophy (Longmans, Green, 1897), by William James (page images at HathiTrust)
- Universe (S. Klyce, 1921), by Scudder Klyce, Morris Llewellyn Cooke, John Dewey, and David Starr Jordan (page images at HathiTrust)
- Education and the good life (Public Affairs Press, 1957), by Frederick Mayer (page images at HathiTrust)
- Concepts of philosophy / by Alexander Thomas Ormond. - (Macmillan, 1906), by Alexander Thomas Ormond (page images at HathiTrust)
- Kierkegaardian philosophy in the faith of a scholar (Westminster Press, 1949), by David F. Swenson and Lillian Marvin Swenson (page images at HathiTrust)
- Modes of being. (Southern Illinois University Press, 1958), by Paul Weiss (page images at HathiTrust)
- The self and its world (The Macmillan company, 1926), by George Arthur Wilson (page images at HathiTrust)
- An essay on nature (Columbia University Press, 1940), by Frederick James Eugene Woodbridge (page images at HathiTrust; US access only)
- Estudios filosóficos ... (Espasa-Calpe, s. a., 1927), by Carlos O. Bunge (page images at HathiTrust; US access only)
- The philosophical writings of Richard Burthogge (Open court , 1921), by Richard Burthogge and Margaret W. Landes (page images at HathiTrust)
- A collection of several philosophical writings of Dr. Henry More ... (Printed by J. Downing, 1712), by Henry More and René Descartes (page images at HathiTrust)
- Philosophical writings of Henry More (Oxford university press, 1925), by Henry More and Flora Isabel MacKinnon (page images at HathiTrust; US access only)
- The philosophical works of the late Right Honorable Henry St. John, lord viscount Bolingbroke. (London, 1754), by Henry St. John Bolingbroke (page images at HathiTrust)
- Observations on man, his frame, his duty, and his expectations. (Reprinted for J. Johnson, by W. Eyres, 1801), by David Hartley and Hermann Andrew Pistorius (page images at HathiTrust)
- The works of Thomas Reid. (Printed and published by Samuel Etheridge, jun'r, 1813), by Thomas Reid and Dugald Stewart (page images at HathiTrust)
- The philosophy of Reid as contained in the "Inquiry into the human mind on the principles of common sense". (H. Holt and Company, 1892), by Thomas Reid and E. Hershey Sneath (page images at HathiTrust)
- Outlines of analogical philosophy: being a primary view of the principles, relations and purposes of nature, science, and art. (C. Tilt, 1839), by George Field (page images at HathiTrust)
- Essays in philosophy (W.P. Kennedy, 1856), by Alexander Campbell Fraser (page images at HathiTrust)
- Science and philosophy and other essays. (G. Allen & Unwin, 1927), by Bernard Bosanquet, Robert Carr Bosanquet, and J. H. Muirhead (page images at HathiTrust; US access only)
- Essays on literature and philosophy (J. Maclehose and sons, 1892), by Edward Caird and R. M. Wenley (page images at HathiTrust)
- Human experience; a study of its structure. (E.P. Dutton, 1926), by Richard Burdon Haldane (page images at HathiTrust)
- The historical method in ethics and other essays (University press; [etc., etc., 1920), by John Handyside (page images at HathiTrust)
- Essays in philosophy old and new (Houghton, Mifflin, 1890), by William Angus Knight (page images at HathiTrust)
- Great philosophical problems (W. Blackwood and sons, 1922), by James Lindsay (page images at HathiTrust)
- Philosophical studies (K. Paul, Trench, Trubner, 1922), by G. E. Moore (page images at HathiTrust; US access only)
- Philosophy and life; and other essays. (S. Sonnenschein, 1902), by John H. Muirhead (page images at HathiTrust)
- The problem of theism and other essays (Macmillan, 1908), by A. C. Pigou (page images at HathiTrust; US access only)
- Darwin and Hegel, with other philosophical studies (S. Sonnenschein & Co.;, 1893), by David G. Ritchie (page images at HathiTrust)
- Philosophical remains of George Croom Robertson with a memoir (Williams and Norgate, 1894), by George Croom Robertson, Thomas Whittaker, and Alexander Bain (page images at HathiTrust)
- Philosophical essays (Longmans, Green, 1910), by Bertrand Russell (page images at HathiTrust; US access only)
- Man's place in the cosmos, and other essays (W. Blackwood, 1897), by A. Seth Pringle-Pattison (page images at HathiTrust)
- The philosophical radicals, and other essays : with chapters reprinted on the philosophy of religion in Kant and Hegel (W. Blackwood, 1907), by A. Seth Pringle-Pattison (page images at HathiTrust)
- Herbert Spencer (Constable and Company, 1917), by Hugh Elliot (page images at HathiTrust)
- What is thought? (T. & T. Clark, 1900), by James Hutchison Stirling (page images at HathiTrust)
- Dualism and monism, and other essays (W. Blackwood and sons, 1895), by John Veitch (page images at HathiTrust)
- Essays and notices (T. F. Unwin, 1895), by Thomas Whittaker (page images at HathiTrust)
- The metaphysics of evolution : with other essays (new and republished) (Williams & Norgate, 1926), by Thomas Whittaker (page images at HathiTrust)
- Statement and inference, with other philosophical papers (Clarendon Press, 1926), by John Cook Wilson and A. S. L. Farquharson (page images at HathiTrust)
- Premiers essais de philosophie (Nouvelle, 1855), by Victor Cousin (page images at HathiTrust)
- Système analytique des connaissances positives de l'homme, restreintes à celles qui proviennent directement ou indirectement de l'observation. (Paris, L'auteur [etc.], 1820), by Jean Baptiste Pierre Antoine de Monet de Lamarck (page images at HathiTrust)
- Dialogues et fragments philosophiques (Calmann-Lévy, 1876), by Ernest Renan (page images at HathiTrust)
- Essais de philosophie critique (F. Chamerot, 1864), by E. Vacherot (page images at HathiTrust)
- Mind-energy, lectures and essays (H. Holt and Company, 1920), by Henri Bergson and Herbert Wildon Carr (page images at HathiTrust)
- Nature et liberté. (E. Flammarion, 1921), by Léon Brunschvicg (page images at HathiTrust; US access only)
- God. Guil. Leibnitii Opera philosophica : quae exstant latina, gallica germanica omnia (G. Eichleri, 1840), by Gottfried Wilhelm Leibniz (page images at HathiTrust)
- Leibniz-Edition, die Akademie-Ausgabe (2017-<2023>: Berlin : De Gruyter Akademie Forschung, 1923), by Gottfried Wilhelm Leibniz, Stephan Meier-Oeser, Berlin-Brandenburgische Akademie der Wissenschaften. Leibniz-Editionsstelle Potsdam, Akademie der Wissenschaften in Göttingen. Leibniz-Forschungsstelle Hannover, Akademie der Wissenschaften der DDR. Zentralinstitut für Philosophie, Universität Münster. Leibniz-Forschungsstelle, Gottfried Wilhelm Leibniz Bibliothek--Niedersächsische Landesbibliothek. Leibniz-Archiv, Niedersächsische Landesbibliothek. Leibniz-Archiv, Walter de Gruyter & Co, Akademie der Wissenschaften in Göttingen, Berlin-Brandenburgische Akademie der Wissenschaften, Akademie der Wissenschaften in Berlin (1991- ), Akademie der Wissenschaften der DDR, Deutsche Akademie der Wissenschaften zu Berlin, and Preussische Akademie der Wissenschaften (page images at HathiTrust; US access only)
- Johann Gottlieb Fichte's nachgelassene Werke (A. Marcus, 1834), by Johann Gottlieb Fichte and Immanuel Hermann Fichte (page images at HathiTrust)
- Die staatslehre (G. Reimer, 1820), by Johann Gottlieb Fichte (page images at HathiTrust)
- J. F. Herbart's kleinere philosophische schriften und abhandlungen, nebst dessen wissenschaftlichen nachlasse (F. A. Brockhaus, 1842), by Johann Friedrich Herbart and G. Hartenstein (page images at HathiTrust)
- Einführung in eine philosophie des geisteslebens (Quelle & Meyer, 1908), by Rudolf Eucken (page images at HathiTrust; US access only)
- Outlines of practical philosophy : dictated portions of the lectures of Hermann Lotze (Ginn, 1885), by Hermann Lotze and George Trumbull Ladd (page images at HathiTrust)
- Vorlesungen über praktische philosophie (Verlag der Philosophischen akademie, 1925), by Paul Natorp (page images at HathiTrust; US access only)
- Schriften zur Soziologie und Weltanschauungslehre (Neue Geist-Verlag, 1923), by Max Scheler (page images at HathiTrust; US access only)
- System der philosophie. (W. Engelmann, 1897), by Wilhelm Max Wundt (page images at HathiTrust)
- Eduard Zellers kleine schriften (G. Reimers, 1910), by Eduard Zeller, Otto Leuze, Karl Holl, and Hermann Diels (page images at HathiTrust; US access only)
- Cultura e vita morale; intermezzi polemici. (G. Laterza & figli, 1926), by Benedetto Croce (page images at HathiTrust; US access only)
- The great problems (Macmillan, 1914), by Bernardino Varisco and R. C. Lodge (page images at HathiTrust)
- Arnoldi Geulincx antverpiensis Opera philosophica. (apud Martinum Nijhoff, 1891), by Arnold Geulincx and J. P. N. Land (page images at HathiTrust)
- Benedict de Spinoza: Opera. (C. Winter, 1925), by Benedictus de Spinoza, Carl Gebhardt, and InteLex Corporation (page images at HathiTrust; US access only)
- Spinoza's political and ethical philosophy (Glasgow : J. Maclehose and Sons, 1903., 1903), by Robert Alexander Duff (page images at HathiTrust; US access only)
- Otʺ marksizma kʺ idealizmu; sbornikʺ stateĭ, 1896-1903. (Obshchestvennai︠a︡ Polʹza, 1903), by Sergiĭ Bulgakov (page images at HathiTrust; US access only)
- Religīoznyĭ smysl filosofīi : tri ri︠e︡chi, 1914-1923 (Y.M.C.A.-Press, 1924), by I. A. Ilʹin (page images at HathiTrust; US access only)
- Filosofīi͡a zhivogo opyta : populi͡arnye ocherki : materīalizm, ėmpirīokritit͡sizm, dīalekticheskīĭ materīalizm, ėmpirīomonizm, nauka budushchago (Izd. M.I. Semenova, 1913), by A. Bogdanov (page images at HathiTrust; US access only)
- Sobranīe sochinenīĭ. (Obshchestvennai͡a polʹza, 1901), by Vladimir Sergeyevich Solovyov (page images at HathiTrust; US access only)
- Ensayos de crítica y de filosofía. (A. J. Alaria, Impresor, 1881), by U. González Serrano (page images at HathiTrust)
- Gesammelte Schriften (M. Niemeyer, 1920), by Anton Marty, Oskar Kraus, Alfred Kastil, and Josef Eisenmeier (page images at HathiTrust; US access only)
- Elements of logic together with an introductory view of philosophy in general, and a preliminary view of the reason. (D. Appleton and company, 1856), by Henry Philip Tappan (page images at HathiTrust)
- An introduction to philosophy (H. Holt, 1925), by Edgar Sheffield Brightman (page images at HathiTrust)
- Invitation to philosophy (Houghton Mifflin Co., 1933), by Durant Drake (page images at HathiTrust)
- Introductory philosophy; a text-book for colleges and high schools (Longmans, Green, and co., 1912), by Charles Albert Dubray (page images at HathiTrust)
- Fundamentals of philosophy / Walter S. Gamertsfelder and D. Luther Evans. (Prentice-Hall, inc., 1930), by Walter Sylvester Gamertsfelder and Daniel Luther Evans (page images at HathiTrust)
- Philosophy and the social order : n introductory approach (Houghton Mifflin, 1947), by George Raymond Geiger (page images at HathiTrust)
- Problems of philosophy; or, Principles of epistemology and metaphysics (The Macmillan, 1905), by James H. Hyslop (page images at HathiTrust)
- Studies in philosophical criticism and construction (W. Blackwood and sons, 1897), by Sydney Herbert Mellone (page images at HathiTrust; US access only)
- A new approah to philosophy (The Cumberland university press, 1943), by Cale Young Rice (page images at HathiTrust)
- The problems of philosophy. (H. Holt, 1912), by Bertrand Russell (page images at HathiTrust; US access only)
- Principes de métaphysique et de psychologie leçons (Ch. Delagrave, 1897), by Paul Janet (page images at HathiTrust)
- Introduction to philosophy (Holt, 1922), by Friedrich Paulsen and Frank Thilly (page images at HathiTrust)
- Elements of intellectual philosophy (D. Appleton, 1866), by Joseph Alden (page images at HathiTrust)
- Readings in philosophy (D. Appleton, 1924), by Albert E. Avey (page images at HathiTrust)
- A course in philosophy (Harcourt, Brace and company, 1924), by George Perrigo Conger (page images at HathiTrust)
- Problems of philosophy : an introductory survey (Holt, 1924), by Gustavus Watts Cunningham (page images at HathiTrust)
- An introduction to philosophy (R. G. Badger, 1920), by Holly Estil Cunningham (page images at HathiTrust; US access only)
- An introduction to philosophy. (Macmillan, 1906), by George Stuart Fullerton (page images at HathiTrust)
- Elements of philosophy. (J. Murphy & company, 1873), by Walter H. Hill (page images at HathiTrust)
- The field of philosophy; an outline of lectures on introduction to philosophy (R. G. Adams & co., 1918), by Joseph Alexander Leighton (page images at HathiTrust)
- The field of philosophy : an introducation to the study of philosophy (Appleton, 1923), by Joseph Alexander Leighton (page images at HathiTrust; US access only)
- Introduction to philosophy. (Houghton Mifflin, 1924), by George Thomas White Patrick (page images at HathiTrust)
- Introduction to philosophy (Houghton Mifflin, 1935), by George Thomas White Patrick and Frank Miller Chapman (page images at HathiTrust)
- An outline of philosophy (G. Allen & Unwin, 1927), by Bertrand Russell (page images at HathiTrust; US access only)
- A first course in philosophy (H. Holt and company, 1913), by John Edward Russell (page images at HathiTrust)
- An introduction to philosophy (Macmillan Co., 1924), by James H. Ryan (page images at HathiTrust)
- The essentials of philosophy (Macmillan, 1917), by Roy Wood Sellars (page images at HathiTrust)
- The principles and problems of philosophy. (Macmillan, 1926), by Roy Wood Sellars (page images at HathiTrust)
- Philosophy: what is it? (University press;, 1914), by F. B. Jevons (page images at HathiTrust; US access only)
- Scientific method in philosophy ... (Clarendon press, 1914), by Bertrand Russell (page images at HathiTrust; US access only)
- Essays I-XXX (For sale by the Harvard coöperative society, 1910), by Arthur Searle (page images at HathiTrust)
- The present situation in philosophy (J. Thin, 1919), by Norman Kemp Smith (page images at HathiTrust; US access only)
- The metaphysic of experience (Longmans, Green, 1898), by Shadworth Hollway Hodgson (page images at HathiTrust)
- The metaphysics of nature. (Adam and Charles Black, 1908), by Carveth Read (page images at HathiTrust)
- A manual of neo-scholastic philosophy (B. Herder book co., 1923), by Charles Reinhard Baschab (page images at HathiTrust)
- On the inductive philosophy, including a parallel between Lord Bacon and A. Comte as philosophers (Longmans, Green, and co., 1872), by A. Elley Finch (page images at HathiTrust)
- Anthropomorphism and science (G. Allen & Unwin, ltd., 1916), by Olive Annie Wheeler (page images at HathiTrust; US access only)
- Valuation : its nature and laws, being an introduction to the general theory of value (S. Sonnenschein ;, 1909), by Wilbur Marshall Urban (page images at HathiTrust)
- Applied philosophy (Longmans, Green and co., 1923), by C. Y. C. Dawbarn (page images at HathiTrust)
- Weltanschauung Philosophie und Religion in darstellungen (Reichl, 1911), by Max Frischeisen-Köhler and Wilhelm Dilthey (page images at HathiTrust; US access only)
- The truths we live by (D. Appleton and company, 1921), by Jay William Hudson (page images at HathiTrust; US access only)
- Science and human progress (G.H. Doran, 1927), by Oliver Lodge (page images at HathiTrust)
- The ground and goal of human life (The New York university press, 1919), by Charles Gray Shaw (page images at HathiTrust; US access only)
- Principes philosophiques, politiques et moraux (T. Ballimore; [etc., etc.], 1828), by François Rodolphe de Weiss (page images at HathiTrust)
- Credo (Doubleday, Page & company, 1925), by Stewart Edward White (page images at HathiTrust)
- An essay on the origin and prospects of man. (J. Murray, 1831), by Thomas Hope (page images at HathiTrust)
- A sketch of a philosophy ... (Williams & Norgate, 1868), by John Gibson Macvicar (page images at HathiTrust)
- La science de l'esprit; principes généraux de philosophie pure et appliquée (F. Chamerot, 1864), by F. Huet (page images at HathiTrust)
- Philosophy without assumptions. (Longmans, Green, and co., 1876), by Thomas Penyngton Kirkman (page images at HathiTrust)
- The logic of perfection, and other essays in neoclassical metaphysics. (Open Court Pub. Co., 1962), by Charles Hartshorne (page images at HathiTrust)
- Vital dynamics; the Hunterian oration before the Royal college of surgeons in London, 14th February, 1840 (W. Pickering, 1840), by Joseph Henry Green (page images at HathiTrust)
- Ethik als kritik der weltgeschichte (B. G. Teubner, 1914), by Albert Görland (page images at HathiTrust; US access only)
- Studies of good and evil : a series of essays upon problems of philosophy and life (D. Appleton and Company, 1915), by Josiah Royce (page images at HathiTrust)
- Studies in the history of ideas (Columbia university press, 1918), by Columbia University. Dept. of philosophy (page images at HathiTrust)
- French and English philosophers: Descartes, Rousseau, Voltaire, Hobbes, with introductions, notes and illustrations. (P.F. Collier & son, 1910), by Thomas Hobbes, Jean-Jacques Rousseau, Voltaire, and René Descartes (page images at HathiTrust)
- Studies in philosophy and psychology (Houghton, Mifflin, 1906), by Frederick James Eugene Woodbridge, Arthur Henry Pierce, Frank Chapman Sharp, Edmund Burke Delabarre, Charles Edward Garman, James Hayden Tufts, and Amherst College (page images at HathiTrust)
- Philosophische aufsätze (Fues (R. Reisland), 1869), by C. Hebler (page images at HathiTrust)
- Philosophische reden und vorträge (J. A. Barth, 1910), by Carl Stumpf (page images at HathiTrust; US access only)
- The problems of philosophy : an introduction to the study of philosophy (C. Scribner's Sons, 1898), by John Grier Hibben (page images at HathiTrust)
- Les problèmes de la philosophie et leur enchaînement scientifique; le donné et l'objectif (F. Alcan, 1920), by Paul Du Pont (page images at HathiTrust; US access only)
- Mythenbildung und Erkenntnis, eine Abhandlung über die Grundlagen der Philosophie (B. G. Teubner, 1907), by G. F. Lipps (page images at HathiTrust; US access only)
- Zur wiedergeburt des idealismus. (Verlag der Dürr'schen buchhandlung, 1908), by Ferdinand Jakob Schmidt (page images at HathiTrust; US access only)
- Primer of philosophy (The Open court publishing company, 1893), by Paul Carus (page images at HathiTrust)
- Proposiciones relativas al porvenir de la filosofía. (Talleres gráficos argentinos de L. J. Rosso y cía., 1918), by José Ingenieros (page images at HathiTrust; US access only)
- Observations on man, his frame, his duty, and his expectations. (Printed for T. Tegg and sons, 1834), by David Hartley (page images at HathiTrust)
- Œuvres complètes de Thomas Reid, chef de l'école écossaise, publiées par M. Th. Jouffroy, avec des Fragments de M. Royer-Collard et une introduction de L'éditeur ... (V. Masson, 1828), by Thomas Reid, Paul Royer-Collard, Dugald Stewart, and Théodore Jouffroy (page images at HathiTrust)
- Our knowledge of the external world as a field for scientific method in philosophy. (G. Allen & Unwin ltd., 1926), by Bertrand Russell (page images at HathiTrust; US access only)
- Philosophy (W. W. Norton & company, inc., 1927), by Bertrand Russell (page images at HathiTrust)
- Recueil philosophique (Londres, 1770) (page images at HathiTrust)
- Outlines of philosophy and literature (A. Strahan, 1865), by Alexandre Rodolphe Vinet and J.-F. Astié (page images at HathiTrust)
- The life of the spirit an introduction to philosophy (Putnam, 1909), by Rudolf Eucken and Frank Lubecki Pogson (page images at HathiTrust)
- Das leben der seele in monographien über seine erscheinungen und gesetze (F. Dümmler, 1883), by Moritz Lazarus (page images at HathiTrust)
- System der Logik, nebst Einleitung in die Philosophie. (W. Braumüller, 1870), by Karl Alexander Reichlin-Meldegg (page images at HathiTrust)
- Der organismus der philosophischen idee in wissenschaftlicher und geschichtlicher hinsicht. (Arnold, 1842), by Joseph Hillebrand (page images at HathiTrust)
- Introduction to philosophy (Macmillan, 1910), by Wilhelm Jerusalem and Charles F. Sanders (page images at HathiTrust; US access only)
- Katechismus der philosophie (J. J. Weber, 1897), by J. H. von Kirchmann and Adolf Lasson (page images at HathiTrust)
- Einleitung in die philosophie (J. C. B. Mohr (P. Siebeck), 1914), by W. Windelband (page images at HathiTrust; US access only)
- An introduction to philosophy. (T. F. Unwin ltd., 1923), by W. Windelband and Joseph McCabe (page images at HathiTrust; US access only)
- The field of philosophy (R. G. Adams and company, 1919), by Joseph Alexander Leighton (page images at HathiTrust)
- La métaphysique et la science, ou, Principes de métaphysique positive (F. Chamerot, 1863), by E. Vacherot (page images at HathiTrust)
- Philosophy (Saunders, Otley, and co., 1861), by James Haig (page images at HathiTrust)
- Vom umsturz der werte. Der Abhandlungen und aufsätze zweite durchgesehene auflage. (Der Neue geist-verlag, 1923), by Max Scheler (page images at HathiTrust; US access only)
- The realm of ends; or, Pluralism and theism; the Gifford Lectures delivered in the University of St. Andrews in the years 1907-10 (The University press, 1911), by James Ward (page images at HathiTrust)
- Atheism in philosophy, and other essays (Roberts Bros., 1884), by Frederic Henry Hedge (page images at HathiTrust)
- History of the American Institute of Christian Philosophy, 1881-1914. (F.H. Revell, 1914), by Henry Mitchell MacCracken (page images at HathiTrust)
- Lectures on mental philosophy and theology. (M. W. Dodd, 1846), by James Richards and S. H. Gridley (page images at HathiTrust)
- Essays on his own times : forming a second series of The friend (W. Pickering, 1850), by Samuel Taylor Coleridge and Sara Coleridge (page images at HathiTrust)
- Die romantische weltanschauung (P. Haupt, 1920), by Anna Tumarkin (page images at HathiTrust; US access only)
- Arthur James Balfour as philosopher and thinker; a collection of the more important and interesting passages in his non-political writings, speeches, and addresses, 1879-1912 (Longmans, Green and Co., 1912), by Arthur James Balfour and Wilfrid M. Short (page images at HathiTrust; US access only)
- Aspects of German culture (J. R. Osgood and company, 1881), by G. Stanley Hall (page images at HathiTrust)
- Swain school lectures (The Open Court Publishing Company, 1903), by Andrew Ingraham (page images at HathiTrust)
- Pagine sparse (R. Ricciardi, 1919), by Benedetto Croce and Giovanni Castellano (page images at HathiTrust; US access only)
- The principles of the philosophy of the expansive and contractive forces; or, An inquiry into the principles of modern philosophy, that is, into the several chief rational sciences, which are extant. In seven books. (Printed at the University-Press, by C. Crownfield, and are to be sold by him, 1727), by Robert Greene (page images at HathiTrust)
- Philosophia sceptica (Madrid, 1730), by Martín Martínez (page images at HathiTrust)
- Lectures and essays (Macmillan, 1901), by William Kingdon Clifford, Frederick Pollock, and Leslie Stephen (page images at HathiTrust)
- Scientific tracts, for the diffusion of useful knowledge ... (Light & Stearns, 1836) (page images at HathiTrust)
- The world-energy and its self-conservation (S.C. Griggs, 1890), by William McKendree Bryant (page images at HathiTrust)
- The interpretation of nature (J.W. Arrowsmith; [etc., etc.], 1905), by C. Lloyd Morgan (page images at HathiTrust)
- Die naturgesetze und ihre zusammenhang mit den prinzipien der abstrakten wissenschaften. Für naturforscher, mathematiker, logiker, philosophen und alle mathematisch gebildeten denker. (F. Foerster, 1876), by Hermann Scheffler (page images at HathiTrust)
- Science and theology, their common aims and methods (Blackie and son, limited, 1920), by F. W. Westaway (page images at HathiTrust)
- Scientific correspondence of Joseph Priestley. Ninety-seven letters addressed to Josiah Wedgwood, Sir Joseph Banks, Capt. James Keir, James Watt, Dr. William Withering, Dr. Benjamin Rush, and others. Together with an appendix: I. The likenesses of Priestley in oil, ink, marble, and metal. II. The Lunar society of Birmingham. III. Inventory of Priestley's laboratory in 1791. (Privately printed [Philadelphia, Collins printing house], 1892), by Joseph Priestley and Henry Carrington Bolton (page images at HathiTrust)
- Conflict and conciliation of cultures (College of the Pacific Press, 1951), by Ralph Tyler Flewelling (page images at HathiTrust)
- The nature of life; a study in metaphysical analysis (Columbia University Press, 1922), by Florence Webster (page images at HathiTrust)
- Investigations representing the departments; part 1. Systematic theology, church history, practical theology; part 2. Philosophy, education ... (The University of Chicago press, 1903), by University of Chicago (page images at HathiTrust)
- The vanity of dogmatizing, reproduced from the edition of 1661, with a bibliographical note (Pub. for the Facsimile text society by Columbia university press, 1931), by Joseph Glanvill and Moody E. Prior (page images at HathiTrust)
- Fr. Rogeri Bacon Opera quædam hactenus inedita. Vol. I. containing I.--Opus tertium. II.--Opus minus. III.--Compendium philosophiæ. (Longman, Green, Longman and Roberts, 1859), by Roger Bacon and J. S. Brewer (page images at HathiTrust)
- Filosofiska föreläsningar, 1806-1812 (C. W. K. Gleerup, 1931), by Benjamin Carl Henrik Höijer and Birger Liljekrantz (page images at HathiTrust; US access only)
- Lermontov i sovremennostʹ (Izd-vo I.I. Simonenko, 1915), by Aleksandr Zakrzhevskiĭ (page images at HathiTrust; US access only)
- Philosophy: metaphysics, psychology, ethics. (Chicago, 1922), by Newberry Library (page images at HathiTrust)
- Promenades philosophiques. 3. série ... (Mercvre de France, 1909), by Remy de Gourmont (page images at HathiTrust; US access only)
- Pensées de Pascal, précédées de sa vie (Firmin Didot frères, 1852), by Blaise Pascal, Pierre Nicole, and Madame Perier (page images at HathiTrust)
- Nuovi studi critici (Drucker & Tedeschi, 1881), by G. Trezza (page images at HathiTrust)
- Plotini Opera (Sumptibus et typis B.G. Teubner, 1856), by Plotinus and A. Kirchhoff (page images at HathiTrust)
- Thalāth rasāʾil (G. Franz, 1859), by Averroës, Marc Jos. Müller, and Averroës (page images at HathiTrust)
- Vermischte schriften über sttatswirthschaftliche !, philosopische und andere wissenschaftliche gegenstände (F. Nicolovins, 1808), by Christian Jacob Kraus and Hans Jakob von Auerswald (page images at HathiTrust)
- Lessings Philosophie; Denkmäler aus der Zeit des Kampfes zwischen Aufklärung und Humanität in der deutschen Geistesbildung. (Verlag der Dürr'schen Buchhandlung, 1909), by Gotthold Ephraim Lessing and Paul Lorentz (page images at HathiTrust; US access only)
- Fried, v. Schlegel's sämmtliche werke. (L. Klang, 1846), by Friedrich von Schlegel (page images at HathiTrust)
- A view of nature, in letters to a traveller among the Alps. With reflections on atheistical philosophy, now exemplified in France. (Printed for T. Becket, 1794), by Richard Joseph Sir Sullivan (page images at HathiTrust)
- Raccolta di opuseali scientifici scielti da diversi celebri autori francesi, ed inglesi, nuovamente tr. in italiana favella ... (All' insegna del Sansone, 1760), by Jean-Jacques Rousseau, Giacomo Venetici, and Antonio Meloni (page images at HathiTrust)
- Sbornik stateĭ, posvi︠a︡shchennykh Petru Berngardovichu Struve ko dni︠u︡ trit︠s︡adtipi︠a︡tili︠e︡tīi︠a︡ ego nauchno-publit︠s︡isticheskoĭ di︠e︡i︠a︡telʹnosti, 1890-30 i︠a︡nvari︠a︡, 1925. (University Microfilms, 1925), by Petr Berngardovich Struve (page images at HathiTrust; US access only)
- Melanges philosophiques. (1789) (page images at HathiTrust)
- Festschrift für Paul Natorp zum siebzigsten geburtstage von schüleru und freunden gewidmet. (W. de Gruyter & co., 1924) (page images at HathiTrust; US access only)
- Conferencias y trabajos de los profesores Adalbert Hämel, Max Dessoir, Francisco Alcayde y Vilar y Lucio Gil Fagoaga durante el curso de 1924-1925. (Madrid, 1926), by Universidad Complutense de Madrid. Facultad de Filosofía y Letras and Adalbert Hämel (page images at HathiTrust; US access only)
- Filosofi och dikt, essayer och meditationer. (Bokförlaget Natur och Kultur, 1924), by Alf Ahlberg (page images at HathiTrust; US access only)
- Causeries philosophiques. (Gauthier-Villars et cie, 1920), by A. Badoureau (page images at HathiTrust; US access only)
- Herbert Spencer lectures. Decennial issue, 1905-1914. (Clarendon Press, 1916), by University of Oxford (page images at HathiTrust; US access only)
- Studien. Philosophische schriften. (J.J. Lentner, 1867), by Johannes Huber (page images at HathiTrust)
- Gedanken und thatsachen. (K. J. Trübner, 1904), by Otto Liebmann (page images at HathiTrust; US access only)
- Studien. (J. G. Findel, 1883), by African Spir (page images at HathiTrust)
- Pilosofskie ocherki. ([Ann Arbor, Mich., 1962), by N. Strakhov (page images at HathiTrust; US access only)
- Enseignement et philosophie ... (G. Mayolez; [etc., etc.], 1873), by G. Tiberghien (page images at HathiTrust)
- Krause y Spencer; traducción precedida de una biograf"ia del autor (Librería de F. Fé, 1885), by G. Tiberghien and Hermenegildo Giner de los Ríos (page images at HathiTrust)
- Ebauche d'un glossaire du langage philosophique (Ladrange, 1863), by Léon Brothier and Charles Lemonnier (page images at HathiTrust)
- Plans et développements de dissertations philosophiques données aux examens du baccalauréat classées méthodiquement suivant l'ordre du programme (Croville-Morant, 1925), by Albert Sueur (page images at HathiTrust; US access only)
- Die wissenschaft als freiheitsthat. (W. Braumüller, 1869), by Carl Sigmund Barach (page images at HathiTrust)
- Die philosophische wissenschaft. Ein apologetischer versuch. (G. Jansen, 1882), by Ernst Commer (page images at HathiTrust)
- Princip und methode der philosophie mit besonderer rücksicht auf Hegel und Schleiermacher dargestellt (E. H. Schroeder, 1842), by J. F. L. George (page images at HathiTrust)
- The alchemy of thought (Holt, 1911), by L. P. Jacks (page images at HathiTrust)
- La définition de la philosophie: (Georg & cie; [etc., etc.], 1894), by Ernest Naville (page images at HathiTrust)
- The falsity of philosophy and theoretical science (San Jose, Calif., 1936), by George Pineau (page images at HathiTrust)
- Sociologie et philosophie (Félix Alcan, 1924), by Émile Durkheim (page images at HathiTrust; US access only)
- The history of philosophy : from Thales to Comte (Longmans, Green, 1871), by George Henry Lewes (page images at HathiTrust)
- Introduction to the study of philosophy (A. C. Armstrong & son, 1894), by J. H. W. Stuckenberg (page images at HathiTrust)
- Figures et doctrines de philosophies... (Plon-Nourrit et cie., 1918), by Victor Delbos (page images at HathiTrust; US access only)
- Les sciences humaines; philosophie, médecine, morale, politique (Librairie internationale; [etc., etc.], 1868), by Th. Funck-Brentano (page images at HathiTrust)
- Traité de philosophie. (P. Lethielleux, 1923), by Gaston Sortais (page images at HathiTrust; US access only)
- Essai de philosophie classique (C. Delagrave, 1876), by Pierre Carbonel (page images at HathiTrust)
- La composition de philosophie. Esquisse de la philosophie adoptée dans les facultés (A. Courcier, 1860), by A. Morel (page images at HathiTrust)
- Philosophische propädeutik. Ein leitfaden zu vorträgen an höhern lehranstalten, und zum selbststudium. (J.B. Metzler, 1866), by Joseph G. Beck (page images at HathiTrust)
- Erste Gründe der gesamten Weltweisheit, darinn alle philosophische Wissenschaften in ihrer natürlichen Verknüpfung abgehandelt werden, zum Gebrauch academischer Lectionen. (Verlegts B.C. Breitkopfen, 1965), by Johann Christoph Gottsched (page images at HathiTrust; US access only)
- The works of Philo Judæus, the Contemporary of Josephus (G. Bell & Sons [etc.], 1855), by Philo of Alexandria and Charles Duke Yonge (page images at HathiTrust)
- Opere italiane ... (G. Laterza & figli., 1907), by Giordano Bruno and Giovanni Gentile (page images at HathiTrust; US access only)
- Notions de philosophie (Hachette et cie, 1877), by Charles Jourdain (page images at HathiTrust)
- Les philosophies négatives (F. Alcan, 1900), by Ernest Naville (page images at HathiTrust; US access only)
- Gesammelte essays und charakterköpfe zur neueren philosophie und literatur (T. Huth, 1885), by Moritz Brasch (page images at HathiTrust)
- Inducciones; ensayos de filosofia y de crítica. (Libreria de J. Llordachs, 1901), by Pompeyo Gener (page images at HathiTrust; US access only)
- The present position of the philosophical sciences; an inaugural lecture (W. Blackwood and sons, 1891), by A. Seth Pringle-Pattison (page images at HathiTrust)
- The problem of philosophy at the present time: an introductory address delivered to the Philosophical society of the University of Edinburgh. (J. Maclehose & sons, 1881), by Edward Caird (page images at HathiTrust)
- The re-organization of philosophy. An address delivered before the Aristotelian society, Novvember 8, 1886 (being the annual presidential address for the eighth session of the society) (Williams and Norgate, 1886), by Shadworth Hollway Hodgson and Aristotelian Society (Great Britain) (page images at HathiTrust)
- Matter, life, mind, and God; five lectures on contemporary tendencies of thought. (Methuen & co., Ltd., 1923), by Reinhold Friedrich Alfred Hoerulé (page images at HathiTrust; US access only)
- Questions of the day in philosophy and psychology (E. Arnold, 1912), by Herbert Leslie Stewart (page images at HathiTrust; US access only)
- Realistic philosophy defended in a philosophic series (Macmillan and co., 1887), by James McCosh (page images at HathiTrust)
- Science and sentiment, with other papers, chiefly philosophical. (Scribner, 1882), by Noah Porter (page images at HathiTrust)
- Elements of intellectual philosophy. Designed for a text book and private reading. (Jenks, Hickling, & Swan; [etc., etc.], 1853), by Hubbard Winslow (page images at HathiTrust)
- Studies in philosophy; the posthumous papers of John Elof Boodin. (University of California, 1957), by John Elof Boodin (page images at HathiTrust)
- Primer of philosophy (The Open court publishing company, 1899), by Paul Carus (page images at HathiTrust)
- The influence of Darwin on philosophy : and other essays in contemporary thought (P. Smith, 1951), by John Dewey (page images at HathiTrust)
- Reconstruction in philosophy (H. Holt and company, 1937), by John Dewey (page images at HathiTrust)
- Outlines of cosmic philosophy, based on the doctrine of evolution, with criticisms on the positive philosophy. (MacMillan and co., 1874), by John Fiske (page images at HathiTrust)
- Cosmic philosophy, Outlines of. (Houghton, Mifflin and co., 1903), by John Fiske and Josiah Royce (page images at HathiTrust)
- Outlines of cosmic philosophy, based on the doctrine of evolution, with criticisms on the positive philosophy (Houghton, Mifflin and company, 1916), by John Fiske (page images at HathiTrust)
- Selected papers on philosophy (J. M. Dent & sons, ltd.;, 1918), by William James and Charles Montague Bakewell (page images at HathiTrust; US access only)
- The philosophy of William James, selected from his chief works (The Modern library, 1940), by William James and Horace Meyer Kallen (page images at HathiTrust; US access only)
- Essays in pragmatism (Hafner Pub. Co., 1951), by William James and Alburey Castell (page images at HathiTrust; US access only)
- Some problems of philosophy; a beginning of an introduction to philosophy (Longmans, Green, and co., 1921), by William James and Horace Meyer Kallen (page images at HathiTrust)
- Some problems of philosophy; a beginning of an introduction to philosophy. (Longmans, Green, and co., 1940), by William James and Horace Meyer Kallen (page images at HathiTrust)
- The will to believe, and other essays in popular philosophy (Longmans, Green & co., 1911), by William James (page images at HathiTrust; US access only)
- The will to believe, and other essays in popular philosophy (Longmans, Green, and co., 1912), by William James (page images at HathiTrust)
- The will to believe, and other essays in popular philosophy (Longmans, Green, and co., 1921), by William James (page images at HathiTrust)
- The will to believe, and other essays in popular philosophy (Longmans, Green & co., 1923), by William James (page images at HathiTrust)
- The will to believe, and other essays in popular philosophy (Longmans, Green, and co., 1931), by William James (page images at HathiTrust)
- La volonté de eroire, tr. (E. Flammarion, 1916), by William James and Loÿs Moulin (page images at HathiTrust; US access only)
- Knowledge, life and reality; an essay in systematic philosophy (Yale university press, 1918), by George Trumbull Ladd (page images at HathiTrust)
- The life of reason; or, The phases of human progress (C. Scribner's Sons, 1917), by George Santayana (page images at HathiTrust)
- The life of reason; or, The phases of human progress (C. Scribner's Sons, 1905), by George Santayana (page images at HathiTrust)
- Modes of being. (Southern Illinois University Press, 1958), by Paul Weiss (page images at HathiTrust)
- The works of Francis Bacon ... (Hurd and Houghton;, 1878), by Francis Bacon, William Rawley, Douglas Denon Heath, Robert Leslie Ellis, and James Spedding (page images at HathiTrust)
- Scepsis scientifica : or, Confest ignorance, the way to science ; in an essay of the vanity of dogmatizing and confident opinion (K. Paul, Trench & Co., 1885), by Joseph Glanvill (page images at HathiTrust)
- Philosophical essays on various subjects, viz., space, substance, body, spirit, the operations of the soul in union with the body ... with some remarks on Mr. Locke's Essay on the human understanding. : To which is subjoined A brief scheme of ontology ... (Printed for R. Ford and R. Hett, 1733), by Isaac Watts (page images at HathiTrust)
- Lectures on the philosophy of the mind. (A. & C. Black;, 1851), by Thomas Brown and David Welsh (page images at HathiTrust)
- Fragments de philosophie (Ladrange, 1840), by William Hamilton and J. L. H. P. (Jean Louis Hippolyte Peisse) (page images at HathiTrust)
- Discussions on philosophy and literature, education and university reform. : Chiefly from the Edinburgh review: cor., vindicated, enl., in notes and appendices (Harper & brothers, publishers, 1861), by William Hamilton (page images at HathiTrust)
- Discussions on philosophy and literature, education and university reform. Chiefly from the Edinburgh review; cor., vindicated, enl., in notes and appendices. (Blackwood, 1866), by William Hamilton (page images at HathiTrust)
- An examination of Sir William Hamilton's philosophy, and of the principal philosophical questions discussed in his writings. (H. Holt and company., 1874), by John Stuart Mill (page images at HathiTrust)
- ... Sir William Hamilton (G.P. Putnam's Sons, 1881), by W. H. S. Monck (page images at HathiTrust)
- The philosophical works of David Hume. Including all the essays, and exhibiting the more important alterations and corrections in the successive editions pub. by the author. (Little, Brown and company; [etc., etc.], 1854), by David Hume (page images at HathiTrust)
- The works of Thomas Reid, p. D., now fully collected, with selections from his unpublished letters. (Maclachlan and Stewart; [etc., etc.], 1842), by Thomas Reid, Dugald Stewart, and William Hamilton (page images at HathiTrust)
- The works of Thomas Reid, D. D. now fully collected, with selections from his unpublished letters. (Maclachlan and Stewart; [etc., etc.], 1872), by Thomas Reid (page images at HathiTrust)
- Essays on the powers of the human mind. (Printed for Bell & Bradfute, 1803), by Thomas Reid and Dugald Stewart (page images at HathiTrust)
- An inquiry into the human mind, on the principles of common sense (W. Aitchison, 1823), by Thomas Reid (page images at HathiTrust)
- Dissertations and discussions : political, philosophical, and historical (William V. Spencer, 1865), by John Stuart Mill (page images at HathiTrust)
- Philosophy and reality; an inaugural lecture delivered in the University of Liverpool (University press, 1911), by Alexander Mair (page images at HathiTrust)
- Essays on literature and philosophy (Macmillan and co., 1892), by Edward Caird (page images at HathiTrust)
- Darwin and the humanities. (S. Sonnenschein & co., ltd., 1910), by James Mark Baldwin (page images at HathiTrust; US access only)
- A fragment on the human mind (W. Blackwood and sons, 1919), by John Theodore Merz (page images at HathiTrust)
- Elements of general philosophy (John Murray, 1896), by George Croom Robertson and Caroline A. F. Rhys Davids (page images at HathiTrust)
- Mysticism and logic, and other essays (Longmans, Green and co., 1918), by Bertrand Russell (page images at HathiTrust; US access only)
- Mysticism and logic, and other essays (Longmans, Green and co., 1919), by Bertrand Russell (page images at HathiTrust; US access only)
- Our knowledge of the external world as a field for scientific method in philosophy (The Open court publishing company., 1915), by Bertrand Russell (page images at HathiTrust)
- Illustrations of universal progress : a series of discussions (D. Appleton, 1865), by Herbert Spencer (page images at HathiTrust; US access only)
- Les premiers principes (G. Baillière, 1871), by Herbert Spencer and Émile Honoré Cazelles (page images at HathiTrust)
- Renati Des-cartes Opera philosophica. (Apud Danielem Elzevierium,c1672], 1672), by René Descartes (page images at HathiTrust)
- Abregé de la philosophie de Gassendi ... (Anisson, Posuel & Rigaud, 1684), by Pierre Gassendi and François Bernier (page images at HathiTrust)
- Entretiens sur les sciences, dans lesquels on apprend comme l'en doit étudier les sciences et s'en servir pour se faire l'esprit juste et le coeur droit. (J. Certe, 1706), by Bernard Lamy (page images at HathiTrust)
- Oeuvres de d'Alembert. (A. Belin [etc.], 1821), by Jean Le Rond d' Alembert (page images at HathiTrust)
- Oeuvres philosophiques du Père André ... avee une introduction sur sa vie et ses ouvrages. tirée de sa correspondance inédite (Charpentier, 1843), by Yves Marie André and Victor Cousin (page images at HathiTrust)
- La philosophie du bon-sens, ou Reflexions philosophiques sur l'incertitude des connoissances humaines ... (Chez P. Paupie, 1746), by Jean-Baptiste de Boyer Argens and Pierre-Joseph Thoulier Olivet (page images at HathiTrust)
- Oeuvres philosophiques du père Buffier de la Compagnie de Jésus (A. Delahays, 1843), by Claude Buffier and Francisque Bouillier (page images at HathiTrust)
- Diderot's early philosophical works (Open Court, 1916), by Denis Diderot and Margaret Jourdain (page images at HathiTrust)
- Oeuvres philosophiques de La Mettrie. (Chez C. Tutot, 1796), by Julien Offray de La Mettrie and King of Prussia Frederick II (page images at HathiTrust)
- Oeuvres philosophiques de Saint-Lambert. ... (H. Agasse, 1801), by Jean-François de Saint-Lambert (page images at HathiTrust)
- Analyse et synthése ... (G. Masson, 1888), by V.-A. Barbié du Bocage (page images at HathiTrust)
- La nature et l'esprit (J. Vrin, 1926), by Emile Boutroux (page images at HathiTrust; US access only)
- De la nature. ... (Chez E. van Harrevelt, 1761), by J. B. Robinet (page images at HathiTrust)
- Premiers essais de philosophie. (Didier, 1862), by Victor Cousin (page images at HathiTrust)
- [Opuscules philosophiques] (Paris, 1840), by Ph. Damiron (page images at HathiTrust)
- Nouveaux mélanges philosophiques (Joubert, 1842), by Théodore Jouffroy and Ph. Damiron (page images at HathiTrust)
- Nouveaux mélanges philosophiques (Hachette et cie, 1872), by Théodore Jouffroy and Ph. Damiron (page images at HathiTrust)
- Œuvres philosophiques de Maine de Biran (Ladrange, 1841), by Pierre Maine de Biran and Victor Cousin (page images at HathiTrust)
- Études philosophiques (Mme Maire-Nyon, 1836), by Charles Auguste Mallet (page images at HathiTrust)
- Préeis d'un cours de philosophie élémentaire, Ontologie, psychologie, idéologie. (E. Garnot, 1841), by Silvestre Pinheiro Ferreira (page images at HathiTrust)
- Discours laïques (Sandez et Fischbacher, 1877), by Charles Secrétan (page images at HathiTrust)
- Outlines of philosophy and literature (A. Strahan, 1867), by Alexandre Rodolphe Vinet and J.-F. Astié (page images at HathiTrust)
- Lettres à Mélisande. ("Le Livre,", 1926), by Julien Benda (page images at HathiTrust; US access only)
- Sämmtliche Werke. (Leopold Voss, 1867), by Immanuel Kant and Paul Gedan (page images at HathiTrust)
- Encyklopädie der philosophischen wissenschaften im grundrisse. Zum gebrauch seiner vorlesungen (Duncker und Humblot, 1845), by Georg Wilhelm Friedrich Hegel (page images at HathiTrust)
- Hegel's Philosophy of mind. Tr. from the Encyclopaedia of the philosophical sciences, with five introductory essays (The Clarendon press, 1894), by Georg Wilhelm Friedrich Hegel and William Wallace (page images at HathiTrust)
- Philosophie de l'esprit, de Hégel (G. Baillière; [etc., etc.], 1870), by Georg Wilhelm Friedrich Hegel and Augusto Vera (page images at HathiTrust)
- Phänomenologie des geistes. Jubiläumsausg. (F. Meiner, 1907), by Georg Wilhelm Friedrich Hegel and Georg Lasson (page images at HathiTrust; US access only)
- Phänomenologie des geistes. (Duncker und Humblot, 1841), by Georg Wilhelm Friedrich Hegel and Johannes Karl Hartwig Schulze (page images at HathiTrust)
- Anleitung zur Kenatniss und Beurtheilung der Philosophie in ihren sämmtlichen Lehrgebäuden. Ein Lehrbuch für Vorlesungen und Handbuch für eigenes Studium. (J.V. Degen, 1805), by Karl Leonhard Reinhold (page images at HathiTrust)
- Philosophie des lebens. In funfzehn vorlesungen gehalten zu Wien im jahre 1827. (Bey C. Schaumburg und compagnie, 1828), by Friedrich von Schlegel (page images at HathiTrust)
- The philosophy of life, and philosophy of language, in a course of lectures (Harper & brothers, 1855), by Friedrich von Schlegel and A. J. W. Morrison (page images at HathiTrust)
- Philosophie de la vie (Parent-Desbarres [etc.], 1838), by Friedrich von Schlegel and abbé Guénot (page images at HathiTrust)
- Religion: a dialogue, and other essays (S. Sonnenschein & co., 1889), by Arthur Schopenhauer and T. Bailey Saunders (page images at HathiTrust)
- Religion: a dialogue, and other essays. (G. Allen & Unwin;, 1915), by Arthur Schopenhauer and T. Bailey Saunders (page images at HathiTrust; US access only)
- Grundlinien einer positiven philosophie als vorläufiger versuch einer zurückführung aller theile der philosophie auf christliche principien. (G.J. Manz;, 1843), by Martin von Deutinger (page images at HathiTrust)
- Collected essays of Rudolf Eucken ... (T. F. Unwin, 1914), by Rudolf Eucken and Meyrick Beeth (page images at HathiTrust; US access only)
- The problem of human life as viewed by the great thinkers from Plato to the present time (C. Scribner's Sons, 1910), by Rudolf Eucken, William Ralph Boyce Gibson, and Williston Samuel Hough (page images at HathiTrust)
- Anti-Haeckel : eine Replik nebst Beilagen (M. Niemeyer, 1900), by Friedrich Loofs (page images at HathiTrust; US access only)
- Philosophische fragen der gegenwart. (W. Friedrich, 1885), by Eduard von Hartmann (page images at HathiTrust)
- Weltwille und wertwille: (A. Kröner, 1925), by Dietrich Heinrich Kerler and Kurt Port (page images at HathiTrust; US access only)
- Das Gefüge der Welt; Versuch einer kritischen Philosophie. (F. Bruckmann, 1906), by Hermann Keyserling (page images at HathiTrust; US access only)
- Grundzüge der logik und Encyclopädie der philosophie. (S. Hirzel, 1883), by Hermann Lotze (page images at HathiTrust)
- Präludien: aufsätze und reden zur philosophie und ihrer geschichte (J. C. B. Mohr (P. Siebeck), 1934), by W. Windelband (page images at HathiTrust; US access only)
- Filosofia elementare a uso delle scuole del regno (G. Barbèra, 1882), by Augusto Conti and Vincenzo Sartini (page images at HathiTrust)
- Lettres philosophiques, sur les vicissitudes de la philosophie relativement aux principes des connaissances humaines, depuis Descartes jusqu ä Kant (Ladrange, 1844), by Pasquale Galluppi and J. L. H. P. (Jean Louis Hippolyte Peisse) (page images at HathiTrust)
- Oeuvres philosophiques et mathématiques de Mr. G. J. 'sGravesande, rassemblées & pub. (Chez M. M. Rey., 1774), by Willem Jacob 's Gravesande and Jean Nicolas Sébastien Allamand (page images at HathiTrust)
- Oeuvres philosophiques de M. F. Hemsterhuis ... (H. J. Jausen, 1792), by François Hemsterhuis, Hendrik Jansen, Friedrich Heinrich Jacobi, and Johann Gottfried Herder (page images at HathiTrust)
- Collegium logicum. Stenographisch verslag van eenen cursus in zuivere rede (A. H. Adriani, 1905), by Gerardus Johannes Petrus Josephus Bolland (page images at HathiTrust; US access only)
- Na piru bogov, pro i contra : sovremennye dīalogi (Rossīĭsko-bolgarskoe kn-vo, 1921), by Sergiĭ Bulgakov (page images at HathiTrust; US access only)
- Papirer (Gyldendal, 1909), by Søren Kierkegaard, Einer Torsting, Victor Kuhr, and Peter Andreas Heiberg (page images at HathiTrust; US access only)
- Istituzioni di logica (Presso Gennaro Reale, 1807), by Francesco Soave (page images at HathiTrust)
- Elements of the philosophy of the mind, and of moral philosophy. To which is prefixed A compendium of logic. (Printed for J. Johnson by Taylor and Wilks, 1801), by Thomas Belsham (page images at HathiTrust)
- Philosophy in outline. Being a brief exposition of the method of philosophy, and its results in obtaining a view of nature, man, and God... (D. Appleton and company;, 1883), by William Torrey Harris (page images at HathiTrust)
- Introduction to philosophy: an inquiry after a rational system of scientific principles in their relation to ultimate reality (C. Scribner's sons, 1903), by George Trumbull Ladd (page images at HathiTrust)
- Elements of constructive philosophy (G. Allen & Unwin, ltd.;, 1918), by John Stuart Mackenzie (page images at HathiTrust)
- An introduction to systematic philosophy (The Columbia university press, the Macmillan company, agents;, 1903), by Walter Taylor Marvin (page images at HathiTrust; US access only)
- An introduction to systematic philosophy (The Columbia university press, 1912), by Walter Taylor Marvin (page images at HathiTrust)
- The world and its meaning; an introduction to philosophy (Houghton Mifflin company, 1925), by George Thomas White Patrick (page images at HathiTrust)
- Précis de philosophie (C. Delagrave et cie, 1870), by Charles Bénard (page images at HathiTrust)
- Manuel de philosophie. (Hachette et cie, 1863), by Amédée Florenî Jacques, Émile Edmond Saisset, and Jules Simon (page images at HathiTrust)
- Introduction à la philosophie (F. Alcan, 1925), by R. Le Senne (page images at HathiTrust; US access only)
- Cours complet de philosophie, mis en rapport avec le programme universitaire, et ramené aux principes du catholicisme. (Gaume frères, 1843), by Marie Stanislas Rattier (page images at HathiTrust)
- Les sciences philosophiques, leur état actuel. (E. Cornély et cie, 1908), by Abel Rey (page images at HathiTrust; US access only)
- Lecons de philosophie ... (F. Rieder & cie., 1925), by Abel Rey (page images at HathiTrust; US access only)
- Esquisse d'une philosophie synthésiste. Critère du jugement. Conception générale du monde. Règle de conduite. (Didier & cie, 1875), by Charles Richard (page images at HathiTrust)
- Introduction à la philosophie et préparation à la métaphysique. Étude analytique sur les objets fondamentaux de la science; critique du positivisme (A. Decq, 1868), by G. Tiberghien (page images at HathiTrust)
- Einleitung in die Philsosphie. (J. Kösel & F. Pustet, 1922), by Joseph Anton Endres (page images at HathiTrust; US access only)
- Encyklopädische einleitung in die philosophie. Lehrbuch der philosophischen propädeutik für gelehrtenschulen und anleitung zum selbstunterricht (Herderʾsche buch-handlung (A. Gessner), 1855), by Christian Friedrich Gockel (page images at HathiTrust)
- Die Wissenschaftslehre, oder, Philosophie. (R. Grassmann, 1875), by Robert Grassmann (page images at HathiTrust)
- Philosophische propädeutik. Encyklopädische einleitung in das studium der philosophie. (M. Waldbauer's verlag, 1872), by Karl Hoffmann (page images at HathiTrust)
- Einleitung in die philosophie (W. Braumtiller, 1913), by Wilhelm Jerusalem (page images at HathiTrust; US access only)
- Introduction to philosophy (The Macmillan company, 1914), by Wilhelm Jerusalem and Charles Finley Sanders (page images at HathiTrust)
- Manuel de philosophie (Joubert [etc.], 1837), by August Matthiä and H. Poret (page images at HathiTrust)
- Einleitung in die Philosophie (W. Hertz, 1896), by Friedrich Paulsen (page images at HathiTrust)
- Lehrbuch der philosophie (F. Kirchheim, 1872), by Albert Stöckl (page images at HathiTrust)
- Vvedenie v filosofii︠u︡ (880-05 Moskva : [publisher not identified], 1910., 1910), by Georgīĭ Ivanovich Chelpanov (page images at HathiTrust; US access only)
- The problems of philosophy (Macmillan, 1906), by Harald Høffding and Galen M. Fisher (page images at HathiTrust)
- Problems of philosophy; an introductory survey (G.G. Harrap & company, ltd, 1925), by Gustavus Watts Cunningham (page images at HathiTrust; US access only)
- An introduction to philosophy (The Macmillan company;, 1924), by George Stuart Fullerton (page images at HathiTrust)
- A syllabus of an introduction to philosophy: (The Macmillan co.:, 1899), by Walter Taylor Marvin (page images at HathiTrust; US access only)
- The approach to philosophy (C. Scribner's sons, 1910), by Ralph Barton Perry (page images at HathiTrust)
- A primer of philosophy (J. Murray, 1904), by A. S. Rappoport (page images at HathiTrust)
- A brief introduction to modern philosophy (The Macmillan company;, 1914), by Arthur Kenyon Rogers (page images at HathiTrust; US access only)
- A brief introduction to modern philosophy (The Macmillan company;, 1923), by Arthur Kenyon Rogers (page images at HathiTrust)
- First steps in philosophy (physical and ethical) (S. Sonnenschein & co, 1893), by William Mackintire Salter (page images at HathiTrust)
- The world of mind. An elementary book. (Jackson and Walford, 1857), by Isaac Taylor (page images at HathiTrust)
- First lessons in philosophy (C. H. Kelly, 1911), by Robert John Wardell (page images at HathiTrust; US access only)
- Introduction à la philosophie; ou, Traité de l'origine et de la certitude des connoissances humaines. (Méquignon junior, 1826), by Pierre-Sébastien Laurentie (page images at HathiTrust)
- Cours de philosophie rédigé conformément au nouveau programme de 1863 accompagné de tableaux synoptiques et suivi de l'analyse des auteurs prescrits (C. Delagrave et cie., 1866), by François Réthorê (page images at HathiTrust)
- Introduction to philosophy : a handbook for students of psychology, logic, ethics, æsthetics and general philosophy (S. Sonnenschein & co., limited:, 1897), by Oswald Külpe, Edward Bradford Titchener, and W. B. Pillsbury (page images at HathiTrust)
- The nature of ideas. Lectures delivered before the Philosophical union. University of California, 1925-26. (University of California press, 1926), by Philosophical Union of the University of California (page images at HathiTrust)
- What is philosophy? A public lecture delivered at the University of Liverpool. (University Press, 1920), by G. C. Field (page images at HathiTrust; US access only)
- Sub specie aeternitatis (Edwards brothers, inc., 1937), by Marjorie Silliman Harris (page images at HathiTrust)
- Philosophy and experience. An address delivered before the Aristotelian society, October 26, 1885 (being the annual presidential address for the seventh session of the society) (Williams and Norgate, 1885), by Shadworth Hollway Hodgson (page images at HathiTrust)
- Philosophy, What is it? (At the University press, 1927), by F. B. Jevons (page images at HathiTrust; US access only)
- Ueber wissenschaftliche und nichtwissenschaftliche philosophie. Eine akademische antrittsrede. (Akademische verlagsbuchhandlung von J. C. B. Mohr (Paul Siebeck), 1883), by Alois Riehl (page images at HathiTrust)
- An essay towards the theory of the ideal or intelligible world. Design'd for two parts. The first considering it absolutely in it self, and the second in relation to human understanding ... (Printed for S. Manship, 1701), by John Norris (page images at HathiTrust)
- La métaphysique et la science; ou, Principes de métaphysique positive (F. Chamerot, 1858), by E. Vacherot (page images at HathiTrust)
- Du ròle des concepts daus la vie intellectuelle et morale: essai théorique d'après une vue de l'histoire ... (Hachette et cie, 1892), by Georges Édouard Dumesnil (page images at HathiTrust)
- Common sense and the rudiments of philosophy (Watts & co., 1920), by Charles E. Hooper (page images at HathiTrust; US access only)
- Physical metempiric (Williams & Norgate, 1883), by Alfred Barratt and Carveth Read (page images at HathiTrust)
- Being, analytically described in its chief respects; and principal truths, in the order of this analysis, fully stated; with a detail of man's spiritual nature and chief relations. (Published for the author, by J. Chapman, 1854), by John Richard Pickmere (page images at HathiTrust)
- The light of nature pursued. (Printed for T. Tegg and son; [etc., etc.], 1837), by Abraham Tucker and H. P. St. John Mildmay (page images at HathiTrust)
- Essais de philosophie et d'histoire religieuse (M. Lévy frères, 1863), by Michel Nicolas (page images at HathiTrust)
- Mélanges de théologie et de philosophie (G. Bridel, 1878), by J.-F. Astié (page images at HathiTrust)
- Die speculative Idee Gottes und die damit zusammenhängenden Probleme der Philosophie : eine kritisch-dogmatische Untersuchung (J.G. Cotta, 1845), by J. U. Wirth (page images at HathiTrust)
- Principes de la philosophie. 1e. partie, pub. avec une préface et une table de Descartes (Hachette et cie, 1892), by René Descartes and Thomas Victor Charpentier (page images at HathiTrust)
- Elements philosophiae in adolescentium usum ex probatis auctoribus adornata a f. Laurentio A ltieri... (Typis Modesti Fenzii, 1793), by Lorenzo Altieri (page images at HathiTrust)
- The economy of nature explained and illustrated on the principles of modern philosophy. (J. Johnson, 1796), by G. Gregory (page images at HathiTrust)
- Der zusammenbruch der wissenschaft und der primat der philosophie (E. Reinhardt, 1926), by Hugo Dingler (page images at HathiTrust; US access only)
- Essais sur la philosophie des sciences. Analyse. Mécanique. (Gauthier-Villars et fils, Imprimeurs-Libraires, 1896), by Charles de Freycinet (page images at HathiTrust)
- Die Weltanschauung des Naturforschers. (H. Dufft, 1875), by Ernst Hallier (page images at HathiTrust)
- Philosophy as scientia scientiarum, and A history of classifications of the sciences (C. Scribner's sons, 1904), by Robert Flint (page images at HathiTrust)
- The book of nature. (Longman, Rees, Orme, Brown, Green, & Longman, 1834), by John Mason Good (page images at HathiTrust)
- Des Adelard von Bath Traktat De eodem et diverso (Aschendorff, 1903), by of Bath Adelard, Hans Eduard Ernst Wilner, and Hans Willner (page images at HathiTrust)
- Urstoff und Urform; ein Beitrag zur philosophischen Strukturlehre. (J.C.B. Mohr (P. Siebeck), 1926), by Eugen Herrigel (page images at HathiTrust; US access only)
- Boet kamoe sekalian jang sama berdoeka tjita karena ditinggal mati oleh ketjintaan kamoe (Tertjitak dan dikloewarken oleh drukkerij Swastika, 1923), by C. W. Leadbeater and R.M. Partowirojo (page images at HathiTrust; US access only)
- Biological physics, physic & metaphysics : studies and essays (H. K. Lewis, 1910), by Thomas Logan, P. Henderson Aitken, and Quintin McLennan (page images at HathiTrust; US access only)
- A way of life. (P. Hoeber, 1918), by William Osler (page images at HathiTrust)
- Pamphlets. : Education. Philosophy. (E. B. Pond, printer;, 1858), by Alexander Winchell (page images at HathiTrust)
- Untersuchungen zur Psychologie und Philosophie. (Quelle & Meyer., 1910) (page images at HathiTrust; US access only)
- THE SIGNIFICANCE AND SOME LIMITATIONS OF HEGEL'S ETHICS. (1919), by WYSZIE SHIONYU CHANG (page images at HathiTrust)
- A brief sketch of the history of philosophy. (1894), by B. C. Burt (page images at HathiTrust)
- Seneca and Kant; or the stoic and Kantian ethics compared. (1879), by WILLIAM TAYLOR JACKSON (page images at HathiTrust)
- Herbert Spencer's education. (1881), by JABEZ MONTGOMERY (page images at HathiTrust)
- THE PHILOSOPHY OF JOSIAH ROYCE. (1923), by WILLIAM HARRY JELLEMA (page images at HathiTrust)
- Œuvres philosophiques (Fayard, 1984), by Julien Offray de La Mettrie (page images at HathiTrust; US access only)
- Remarks on a pamphlet entitled "The latest form of infidelity examined" (J. Owen, 1839), by Andrews Norton (page images at HathiTrust)
- L. Annaei Senecae Philosophi opera omnia qvae svpersvnt (in libraria Weidmannia, 1797), by Lucius Annaeus Seneca and F. E. Ruhkopf (page images at HathiTrust)
- Fragments in philosophy and science (J.C. Nimmo. ltd., 1903), by James Mark Baldwin (page images at HathiTrust)
- Ludwig Feuerbachs sämmtliche werke (F. Frommann (E. Hauff), 1903), by Ludwig Feuerbach, Friedrich Jodl, and Wilhelm Bolin (page images at HathiTrust; US access only)
- La philosophie du bon-sens, ou Réflexions philosophiques sur l'incertitude des connoissances humaines. (Chez P. Paupie, 1768), by Jean-Baptiste de Boyer Argens (page images at HathiTrust)
- Nihon shakai no hattatsu oyobi shisō no hensen (Dōbunkan, 1904), by Ryūkichi Endō (page images at HathiTrust; US access only)
- Ban Nobutomo zenshū. (Kokusho Kankōkai, 1907), by Nobutomo Ban (page images at HathiTrust; US access only)
- Zhe heng xu bian. ([publisher not identified], 1910), by Chunsheng Li (page images at HathiTrust; US access only)
- Zhe xue ci dian (Shang wu, 1925), by Bingqing Fan (page images at HathiTrust; US access only)
- Ren sheng guan zhi lun zhan (Tai dong tu shu ju, 1926), by Junmai Zhang (page images at HathiTrust; US access only)
- Zhe xue da gang (Shang wu yin shu guan, 1915), by Yuanpei Cai, Friedrich Paulsen, and Raoul Richter (page images at HathiTrust; US access only)
- Principles of philosophy (Shang wu yin shu guan, 1921), by Oswald Külpe, Jirō Shimoda, and Yuanpei Cai (page images at HathiTrust; US access only)
- Hataraku mono kara miru mono e (Iwanami Shoten, 1927), by Kitarō Nishida (page images at HathiTrust; US access only)
- The problems of philosophy. Chinese (1922), by Bertrand Russell (page images at HathiTrust; US access only)
- Nietzsche's Werke. (A.Krürer, 1922), by Friedrich Wilhelm Nietzsche (page images at HathiTrust; US access only)
- Shisō. (Iwanami Shoten., 1921) (page images at HathiTrust; US access only)
- Philosophical review (880-04 <1936>- Shanghai : Kai ming shu dian, 1927), by Zhongguo zhe xue hui (page images at HathiTrust; US access only)
- Journal of philosophical studies Aug. 1950- (Kyōto Tetsugakkai., 1916), by Kyōto Tetsugakkai (page images at HathiTrust; US access only)
- Journal of philosophy (Tetsugaku Zasshisha, 1892), by Tetsugakkai (Japan) and Tetsugaku Zasshisha (page images at HathiTrust)
- Huaihai yi tan : 4 juan (Guizhou tong zhi ju, 1922), by Ying'ao Sun (page images at HathiTrust; US access only)
- L Annaei Senecae ... opera philosophica (colligebat Nicolaus Eligius Lemaire, 1827), by Lucius Annaeus Seneca and Marie Nicolas Bouillet (page images at HathiTrust)
- Critical essays, on a few subjects connected with the history and present condition of speculative philosophy. (J. Munroe, 1845), by Francis Bowen (page images at HathiTrust)
- Grundzüge zum Systeme der Philosophie (J.C.B. Mohr, 1833), by Immanuel Hermann Fichte (page images at HathiTrust)
- The mind : the annual address delivered before the Homoeopathic Medical Society of Pennsylvania, October 15th, 1875, at Library Hall ([s.n.], 1876), by J. H. McClelland (page images at HathiTrust)
- Introduction to philosophy; a handbook for students of psychology, logic, ethics, aesthetics and general philosophy (G. Allen & Unwin, limited:, 1923), by Oswald Külpe, Edward Bradford Titchener, and W. B. Pillsbury (page images at HathiTrust; US access only)
- Introduction to philosophy (H. Holt and company, 1895), by Friedrich Paulsen and Frank Thilly (page images at HathiTrust)
- Filosofīi͡a obshchago di͡ela : statʹi, mysli i pisʹma (Paris : LʹAge dʹhomme, 1985), by Nikolaĭ Fedorovich Fedorov, N. P. Peterson, and V. A. Kozhevnikov (page images at HathiTrust; US access only)
- The stunted saplings (Sherman, French & Company, 1911), by John Carleton Sherman (page images at HathiTrust)
- The approach to philosophy. (C. Scribner's Sons, 1905), by Ralph Barton Perry (page images at HathiTrust)
- Humanism; philosophical essays (Macmillan and co., limited;, 1903), by F. C. S. Schiller (page images at HathiTrust)
- Essays, scientific, political, and speculative. (D. Appleton, 1916), by Herbert Spencer and F. Howard Collins (page images at HathiTrust)
- The complex vision (Dodd, Mead and company, 1920), by John Cowper Powys (page images at HathiTrust)
- Œuvres choisies (Librairie Larousse, 1934), by Denis Diderot and Jean Voilquin (page images at HathiTrust; US access only)
- Na perevale (Grzhebin, 1923), by Andrey Bely (page images at HathiTrust; US access only)
- Introduccion á la filosofía y preparacion á la metafísica (Imprenta de la Revista de Legislacion, á cargo de J. Morales, 1875), by G. Tiberghien (page images at HathiTrust)
- The essentials of philosophy (Macmillan, 1924), by Roy Wood Sellars (page images at HathiTrust)
- Die Schriften Friedrich Heinrich Jacobi's in Auswahl und mit einer Einleitung (Die Schmiede, 1926), by Friedrich Heinrich Jacobi and Leo Matthias (page images at HathiTrust; US access only)
- Elements of logic, together with an introductory view of philosophy in general, and a preliminary view of the reason. By Henry P. Tappan. (Wiley and Putnam, 1844), by Henry Philip Tappan (page images at HathiTrust)
- Saadet-i dünya : ahlâk-ı hamı̂de ve mebahis-i hikemiyeyi câmidir ([s.n.], 1896), by Abidin Paşa (page images at HathiTrust)
- Watts' Philosophical essays (Printed for T. Longman, T. Field, and C. Dilly, 1794), by Isaac Watts and William K. Frankena (page images at HathiTrust)
- The light of nature pursued (H.G. Bohn, 1842), by Abraham Tucker and H. P. St. John Mildmay (page images at HathiTrust)
- Skzbunkʻ hogebanutʻean, tramabanutʻean, baroyakani ew bnakan astuatsabanutʻean (880-04 K. Polis : Tpagrutʻiwn Kʻiwrchean, 1868., 1868), by A. M. Garagashean (page images at HathiTrust)
- An inquiry into the human mind, on the principles of common sense (T. Cadell, 1785), by Thomas Reid (page images at HathiTrust)
- Krtʻutʻiwn aṛ i linel bari ew parkesht kʻaghakʻatsʻi (i Vans Srboyn Ghazaru, 1819), by Mesrop Aghachʻragheantsʻ (page images at HathiTrust)
- Patmutʻean pʻilisopʻayutʻiwně (Tpagrutʻiwn H. Gōchʻunean, 1911), by Arsēn Kitur (page images at HathiTrust; US access only)
- Pʻilisopʻayutʻiwn ěst aněsteriwr ew ansaytʻakʻ Vdpue sbyn Tʻovmayi : bazhaneal i chʻors hators (I Tparani Orlantean Stepʻannosi., in the 18th century) (page images at HathiTrust)
- Girkʻ neratsutʻean ew vertsanutʻian ew notsʻin lutsman (I Tparani Tēr Harutʻiwni Shmawōnean Shirazatsʻwoy, 1793) (page images at HathiTrust)
- Girkʻ sahmanatsʻ (I Těparani Karapeti Ordi Mahtesi Atsaturi, 1731), by the Invincible David (page images at HathiTrust)
- Les cent pages décisives : pour S.M. l'empereur de Russie, roi de Pologne. (M. Alcan, 1850), by Józef Maria Hoene-Wroński (page images at HathiTrust)
- Hauptprobleme der Philosophie (G.J. Göschen, 1913), by Georg Simmel (page images at HathiTrust; US access only)
- Adolf Reinach Gesammelte Schriften (Max Niemayer, 1921), by Adolf Reinach (page images at HathiTrust; US access only)
- Einleitung in die philosophie (S. Hirzel, 1919), by Oswald Külpe and August Messer (page images at HathiTrust; US access only)
- Science and idealism : an examination of "pure empiricism" and modern logic (New York: International Publishers, [1947], 1947), by Maurice Campbell Cornforth (page images at HathiTrust; US access only)
- Pamphlets. Philosophy. ([n.p.]) (page images at HathiTrust)
- [Pamphlets in philology and the humanities. Vol. 1]. (s.n., 1884), by Fred Newton Scott, Albert Harris Tolman, Gustave Allais, Joseph Villiers Denney, Willard Clark Gore, Gertrude Buck, Edward Lorraine Walter, James Sully, Benjamin Chapman Burt, William C. Owen, William Morris, Oscar Wilde, Henry Sewall, Charles Horton Cooley, Henry Rutgers Marshall, Victoria Welby, Bernard Bosanquet, and University of Michigan. Department of Philosophy (page images at HathiTrust)
- Opera Universitatis Purkynianae Brunensis, Facultas Philosophica (Univerzita, 1961), by Univerzita J.E. Purkyně v Brně. Filozofická fakulta (page images at HathiTrust; US access only)
- [Pamphlets and reprints], by Alfred H. Lloyd (page images at HathiTrust; US access only)
- [Pamphlets and reprints], by R. M. Wenley (page images at HathiTrust)
- The outline of man's knowledge; the story of history, science, literature, art, religion, philosophy (Lewis Copeland company, 1927), by Clement Wood (page images at HathiTrust)
- Réflexions sociales (P.V. Stock, 1896), by Jacques Sautarel (page images at HathiTrust)
- The essence of philosophy. Translated into English by Stephen A. Emery and William T. Emery. (AMS Press, 1969), by Wilhelm Dilthey (page images at HathiTrust; US access only)
- Essays on literature (J. Maclehose, 1909), by Edward Caird (page images at HathiTrust)
- The friend : a series of essays to aid in the formation of fixed principles in politics, morals and religion (George Bell, 1906), by Samuel Taylor Coleridge (page images at HathiTrust)
- Dissertations and discussions, political, philosophical, and historical. Reprinted chiefly from the Edinburgh and Westminster reviews. (Longmans, Green, Reader and Dyer, 1867), by John Stuart Mill (page images at HathiTrust)
- Essays, scientific, political, and speculative (D. Appleton, 1892), by Herbert Spencer (page images at HathiTrust)
- The influence of Darwin on philosophy, and other essays in contemporary thought (P. Smith, 1951), by John Dewey (page images at HathiTrust)
- The works of Francis Bacon (Houghton, Mifflin, and company, 1800), by Francis Bacon, William Rawley, Douglas Denon Heath, Robert Leslie Ellis, and James Spedding (page images at HathiTrust)
- Studies of good and evil; a series of essays upon problems of philosophy and life. (Archon Books, 1964), by Josiah Royce (page images at HathiTrust)
- Outlines of cosmic philosophy, based on the doctrine of evolution, with criticisms on the positive philosophy ... (Houghton, Mifflin and Company, 1889), by John Fiske (page images at HathiTrust)
- Some problems of philosophy; a beginning of an introduction to philosophy (Longmans, Green, and co., 1911), by William James and Horace Meyer Kallen (page images at HathiTrust; US access only)
- Dialogi secundum Thrasylli tetralogias dispositi (Lipsiae : Sumptibus et typis B.G. Teubneri, 1854-1870., 1854), by Plato and Karl Friedrich Hermann (page images at HathiTrust)
- Ausgewählte Werke (Philip Reclam, Jun., 1880), by Johann Gottfried Herder and Adolf Stern (page images at HathiTrust)
- Conclusions (Sheridan Ford, 1917), by Michael J. Dee (page images at HathiTrust)
- De rerum natura libri sex (Ex officina Joann. Hayes, Celeberrimae Academiae Typographi. 1675. Impensis W. Morden, Bibliopolae Cantab., 1675), by Titus Lucretius Carus, Denys Lambin, Hubert van Giffen, and Tannegui Lefebvre (page images at HathiTrust)
- Essais philosophiques : suivis de la métaphysique de Descartes (L. Hauman, 1832), by L. A. Gruyer and René Descartes (page images at HathiTrust)
- The positive outcome of philosophy (C.H. Kerr, 1906), by Joseph Dietzgen and Eugen Dietzgen (page images at HathiTrust)
- Lectures on the philosophy of the human mind. (S. T. Armstrong, 1826), by Thomas Brown (page images at HathiTrust)
- Josef Dietzgens philosophische Lehren (J.H.M. Dietz, 1922), by Adolf Hepner (page images at HathiTrust; US access only)
- Rozpravy filosofické (I.L. Kober, 1876), by J. Durdík (page images at HathiTrust)
- Ideer och makter. (C.W.K. Gleerup, 1909), by Hans Larsson (page images at HathiTrust; US access only)
- Metres contained in the five books of Anicius Manlius Torquatus Severinus Boethius on the Consolation of Philosophy. (Printed for and sold by Tho. Wilson, 1811), by Boethius and Petrus Bertius (page images at HathiTrust)
- Culture's emergent pathway. (Exposition Press, 1948), by Antonio Iglesias (page images at HathiTrust)
- A brief introduction to modern philosophy (The Macmillan company;, 1921), by Arthur Kenyon Rogers (page images at HathiTrust; US access only)
- Einleitung in die geisteswissenschaften (J. C. B. Mohr (Paul Siebeck), 1920), by Erich Rothacker (page images at HathiTrust; US access only)
- Esquisse d'une évolution dans l'histoire de la philosophie; essais. (F. Alcan, 1903), by Nicolas Kostyleff (page images at HathiTrust; US access only)
- First steps in philosophy; physical & ethical. (Kerr, 1893), by William Mackintire Salter (page images at HathiTrust)
- Die Einleitung in die Philosophie vom Standpunkte der Geschichte der Philosophie. (G. Böhme, 1886), by Ludwig Strümpell (page images at HathiTrust)
- Introduction to the study of philosophy. (A. C. Armstrong, 1891), by J. H. W. Stuckenberg (page images at HathiTrust)
- Einleitung in die Philosophie (Carl Konegen, 1892), by Carl Tausch (page images at HathiTrust)
- Einleitung in die Philosophie (W. Engelmann, 1904), by Wilhelm Max Wundt (page images at HathiTrust; US access only)
- Figures et doctrines de philosophes. (Plon-Nourrit et cie., 1921), by Victor Delbos (page images at HathiTrust; US access only)
- Einleitung in die Philosophie. (S.Hirzel, 1923), by Oswald Külpe and August Messer (page images at HathiTrust; US access only)
- Zur Analysis der Wirklichkeit eine Erörterung der Grundprobleme der Philosophie (K.J. Trübner, 1900), by Otto Liebmann (page images at HathiTrust; US access only)
- Introducción a la filosofía (Centro Universitario, 1921), by Eugenio d' Ors (page images at HathiTrust; US access only)
- Introduction to philosophy (H. Holt and company, 1895), by Friedrich Paulsen and Frank Thilly (page images at HathiTrust)
- Perennial principles of thought and action in a changing world (The Bruce Pub. Co., 1944), by Kurt F. Reinhardt (page images at HathiTrust)
- Elements of general philosophy (Scribners, 1896), by George Croom Robertson and Caroline A. F. Rhys Davids (page images at HathiTrust)
- Einleitung in die Philosophie (S. Hirzel, 1910), by Oswald Külpe (page images at HathiTrust; US access only)
- Introduction to philosophy : a handbook for students of psychology, logic, ethics, æesthetics and general philosophy (S. Sonnenschein ;, 1907), by Oswald Külpe, Edward Bradford Titchener, and W. B. Pillsburg (page images at HathiTrust; US access only)
- Grosse denker (Quelle & Meyer, 1911), by Ernst von Aster (page images at HathiTrust; US access only)
- Wirklichkeiten : beiträge zum weltverständnis (B. Elischer, 1908), by Kurd Lasswitz (page images at HathiTrust; US access only)
- Philosophie, ihr Problem und ihre Probleme; Einführung in den kritischen Idealismus. (Vandenhoeck & Ruprecht, 1918), by Paul Natorp (page images at HathiTrust; US access only)
- Zur Wiedergeburt des Idealismus; philosophische Studien. (Dürr, 1908), by Ferdinand Jakob Schmidt (page images at HathiTrust; US access only)
- Sketches and reminiscences of the Radical club of Chestnut street, Boston. (J. R. Osgood and company, 1880), by Mary Elizabeth Fiske 1827-1904 Sargent (page images at HathiTrust)
- Berner Studien zur Philosophie und ihrer Geschichte. (Scheitlin., 1896), by Ludwig Stein (page images at HathiTrust)
- Historisch-philosophische Abhandlungen. (L. Voss, 1870), by G. Hartenstein (page images at HathiTrust)
- Ausgewählte Werke. (H. Haacke, 1885), by Eduard von Hartmann (page images at HathiTrust; US access only)
- Gedanken über Gott, die Welt und das Ich; ein Vermächtnis. (E. Diederichs, 1910), by Rudolf Hildebrand (page images at HathiTrust; US access only)
- Art of thinking and other essays. (C. Kegan Paul, 1879), by James Hinton and Charles Howard Hinton (page images at HathiTrust)
- Selections from manuscripts (Printed for the author by T. Johnson, 1870), by James Hinton (page images at HathiTrust)
- Philosophie, Metaphysik und Einzelforschung ... (Leipzig, 1897), by Hedwig Bender (page images at HathiTrust)
- Philosophy [a lecture delivered at Columbia University in the series on science, philosophy and art, March 4, 1908] (Columbia University Press, 1908), by Nicholas Murray Butler (page images at HathiTrust)
- Philosophisches Lesebuch (F. Enke, 1905), by Max Dessoir and Paul Menzer (page images at HathiTrust; US access only)
- System der kritischen Philosophie. (Veit, 1874), by Carl Göring (page images at HathiTrust)
- Einleitung in die Philosophie (W. Braumüller, 1903), by Wilhelm Jerusalem (page images at HathiTrust; US access only)
- Einleitung in die Philosophie. (Verlag von S. Hirzel, 1903), by Oswald Külpe (page images at HathiTrust; US access only)
- Lezioni di logica e metafisica (Vallecchi editore, 1924), by Pasquale Galluppi (page images at HathiTrust; US access only)
- Difesa della filosofia. (R. Carabba editore, 1924), by Giovanni Gentile (page images at HathiTrust; US access only)
- A manual of neo-scholastic philosophy (B. Herder book co., 1937), by Charles Reinhard Baschab (page images at HathiTrust)
- A manual of modern scholastic philosophy (K. Paul, Trench, Trubner & Co., ltd.;, 1923), by Université catholique de Louvain (1835-1969). Institut supérieur de philosophie, Stanislaus Anselm Parker, Thomas Leo Parker, M. de Wulf, Jean Halleux, Désiré Nys, and Désiré Mercier (page images at HathiTrust; US access only)
- Knowledge, life and reality; an essay in systematic philosophy (Dodd, Mead, 1909), by George Trumbull Ladd (page images at HathiTrust)
- La doctrina de los siglos (Evangelio moderno) Base de organización natural y racional de los pueblos ... (Imprenta "Barcelona,", 1910), by Cosme D. Lagos (page images at HathiTrust; US access only)
- Opúsculos filosóficos (Calpe, 1919), by Gottfried Wilhelm Leibniz and Manuel Gracía Morente (page images at HathiTrust; US access only)
- Wendepunkt der Philosophie im neunzehnten Jahrhundert. (G. Reimer, 1834), by O. F. Gruppe (page images at HathiTrust)
- Some problems of philosophy (Scribner, 1886), by Archibald Alexander (page images at HathiTrust)
- Small books on great subjects. (Lea and Blanchard, 1846), by John Barlow and Caroline Frances Cornwallis (page images at HathiTrust)
- Gesammelte Schriften (Verlag von Bruno Cassirer, 1907), by Emil Arnoldt and Otto Schöndörffer (page images at HathiTrust; US access only)
- Dissertations on leading philosophical topics (Longmans, Green, and co., 1903), by Alexander Bain (page images at HathiTrust)
- Curso de filosofía elemental ... (Impr. barcelonesa, 1919), by Jaime Luciano Balmes (page images at HathiTrust; US access only)
- Essays--scientific, political and speculative (Longman, Brown, Green, Longmans, and Roberts, 1858), by Herbert Spencer (page images at HathiTrust)
- Filosofía fundamental ... (Impr. barcelonesa, 1922), by Jaime Luciano Balmes (page images at HathiTrust; US access only)
- Cultura e vita morale : intermezzi polemici (Laterza & figli, 1914), by Benedetto Croce (page images at HathiTrust; US access only)
- Elementos de la filosofía del espíritu humano (Imprenta chilena, 1872), by Ventura Marín (page images at HathiTrust)
- Essays philosophical and theological (W. V. Spencer, 1866), by James Martineau (page images at HathiTrust)
- Essentialism. (R. F. Moore, 1952), by Frederick Mayer (page images at HathiTrust)
- L'Altra metà (Vallecchi, 1922), by Giovanni Papini (page images at HathiTrust; US access only)
- Pragmatismo (1903-1911) (Vallecchi, 1920), by Giovanni Papini (page images at HathiTrust; US access only)
- Gedanken und Thatsachen; philosophische Abhandlungen, Aphorismen und Studien. (K. J. Trübner, 1904), by Otto Liebmann (page images at HathiTrust; US access only)
- Realistic philosophy defended in a philosophic series (Scribner, 1887), by James McCosh (page images at HathiTrust)
- Z zapomogi kasy pomocy dia osób pracujących na polu naukowym imienia d-ra Józefa Mianowskiego. (Ferdynand Hoesick, 1914), by Adam Mahrburg and Władysław Spasowski (page images at HathiTrust; US access only)
- Friedrich Schlegel's Philosophische Vorlesungen aus den Jahren 1804 bis 1806 : nebst Fragmenten vorzüglich philosophisch-theologischen Inhalts (E. Weber, 1836), by Friedrich von Schlegel and Karl Joseph Hieronymus Windischmann (page images at HathiTrust)
- Grundlegung der philosophischen wissenschaften und elemente der logik ... (Mühlmann, 1888), by Arthur Richter (page images at HathiTrust)
- Essays in scientific synthesis (The Open court publishing company, 1918), by Eugenio Rignano and W. J. Greenstreet (page images at HathiTrust)
- L'ancienne et la nouvelle philosophie. Essai sur les lois générales du développement de la philosophie. (F. Alcan, 1887), by E. de Roberty (page images at HathiTrust)
- System der wissenschaft. Ein philosophisches encheiridion. (Gebrüder Bornträger, 1850), by Karl Rosenkranz (page images at HathiTrust)
- Man's place in the cosmos, and other essays (Scribner, 1897), by A. Seth Pringle-Pattison (page images at HathiTrust)
- Fragmente und Aufsätze : aus dem Nachlass und Veröffentlichungen der letzten Jahre (Drei Masken Verlag, 1923), by Georg Simmel (page images at HathiTrust; US access only)
- Henrik Steffen's indledning til philosophiske forelaesninger i København 1803 (Gyldendal, 1905), by Henrich Steffens (page images at HathiTrust; US access only)
- Le nouveau spiritualisme (Librairie Hachette, 1884), by E. Vacherot (page images at HathiTrust)
- Mensch und Wirklichkeit. (A. Töpelmann, 1907), by Oswald Weidenbach (page images at HathiTrust; US access only)
- Über die letzten Dinge (W. Braumüller, 1907), by Otto Weininger (page images at HathiTrust; US access only)
- Präludien : Aufsätze und Reden zur Einleitung in die Philosophie (Mohr (P. Siebeck), 1884), by W. Windelband (page images at HathiTrust)
- Präludien. Aufsätze und reden zur einführung in die philosophie. (J.C.B. Mohr (P. Siebeck), 1911), by W. Windelband (page images at HathiTrust; US access only)
- System der philosophie (W. Engelmann, 1889), by Wilhelm Max Wundt (page images at HathiTrust)
- Essays (W. Engelmann, 1906), by Wilhelm Max Wundt (page images at HathiTrust; US access only)
- Kleine schriften (W. Engelmann, 1910), by Wilhelm Max Wundt (page images at HathiTrust; US access only)
- Reden und aufsätze (A. Kröner, 1913), by Wilhelm Max Wundt (page images at HathiTrust; US access only)
- Sinnliche und Übersinnliche Welt (Kröner, 1923), by Wilhelm Max Wundt (page images at HathiTrust; US access only)
- Vorträge und abhandlungen (Fues, 1875), by Eduard Zeller (page images at HathiTrust)
- Philosophische aufsätze. (Fues's Verlag, 1887) (page images at HathiTrust)
- Outlines of cosmic philosophy, based on the doctrine of evolution (J. R. Osgood and company, 1875), by John Fiske (page images at HathiTrust)
- Some of the philosophical essays on socialism and science, religion, ethics, critique-of-reason and the world-at-large (C.H. Kerr, 1917), by Joseph Dietzgen, Joseph Dietzgen, Ernest Untermann, Eugene Dietzgen, Max Beer, and Fedar Arnovich Rothstein (page images at HathiTrust)
- Collected essays of Rudolf Eucken. (C. Scribner's sons, 1914), by Rudolf Eucken and Meyrick Booth (page images at HathiTrust; US access only)
- Fichte's science of knowledge : a critical exposition (S.C. Griggs, 1884), by Charles Carroll Everett and Gilles Morris-Dumoulin (page images at HathiTrust)
- The fundamental problems of metaphysics (W. Blackwood, 1910), by James Lindsay (page images at HathiTrust)
- The interpretation of life, in which is shown the relation of modern culture to Christian science (D. Appleton and company, 1908), by Gerhardt C. Mars (page images at HathiTrust; US access only)
- Saggi sulla teoria della conoscenza (R. Sandron, 1897), by Cosmo Guastella (page images at HathiTrust; US access only)
- Philosophy for lowbrows (Whitman Pub. Co., 1941), by Stephen Beasley Linnard Penrose (page images at HathiTrust)
- Persönlichkeit und weltanschauung; psychologische untersuchungen zu religion (B. G. Teubner, 1919), by Richard Müller-Freienfels (page images at HathiTrust; US access only)
- Elements of logic, together with an introductory view of philosophy in general, and a preliminary view of the reason. By Henry P. Tappan. (D. Appleton and company, 1856), by Henry Philip Tappan (page images at HathiTrust)
- Science, truth, religion and ethics as foundations of a rational philosophy of life (C.H. Kerr, 1924), by Harry Mann Gordin (page images at HathiTrust)
- Fundamental ends of life (The Macmillan company, 1924), by Rufus Matthew Jones (page images at HathiTrust)
- Briefe über Logik. (J.H.W. Dietz, 1895), by Joseph Dietzgen and Eugen Dietzgen (page images at HathiTrust)
- Das Leben der Seele in Monographien über seine Erscheinungen und Gesetze (F. Dümmler, 1876), by Moritz Lazarus (page images at HathiTrust)
- Elements of mental philosophy (Harper, 1845), by Thomas Cogswell Upham (page images at HathiTrust)
- The elements of intellectual philosophy (Sheldon & co., 1854), by Francis Wayland (page images at HathiTrust)
- Gehirn und Seele. (Kröner, 1910), by Auguste Forel (page images at HathiTrust; US access only)
- Über lachen und weinen. über die stellung deutscher philosophen zum leben. Zwei vorträge gehalten im wissenschaftlichen Verein zu Berlin in den jahren 1848 und 1850 (W. Hertz, 1850), by Johann Eduard Erdmann (page images at HathiTrust)
- Der Grossgeist das höchste Menschenideal. Grundlinien zu einer Philosophie des Ganzgenies. (Gebrüder Paetel, 1908), by Engelbert Lorenz Fischer (page images at HathiTrust; US access only)
- Personality in the making (Houghton Mifflin Company, 1923), by J. Herschel Coffin (page images at HathiTrust)
- Philosophical catechism of the natural laws of man (Marsh, Capen, and Lyon, 1835), by J. G. Spurzheim (page images at HathiTrust)
- A review of the systems of ethics founded on the theory of evolution : by C.M. Williams. (Macmillan and Co. and New York, 1988), by Charles Mallory Williams (page images at HathiTrust; US access only)
- The realm of ends : or, Pluralism and theism : the Gifford Lectures delivered in the University of St. Andrews in the years 1907-10 (Putnam, 1912), by James Ward (page images at HathiTrust)
- Weltanschauung und Dichtung : zur Gestaltung des Problems bei Wilhelm Dilthey : Basler akademischer Aula-Vortrag (Rascher, 1917), by Rudolf Unger (page images at HathiTrust; US access only)
- Ordnungslehre; ein system des nichtmetaphysischen Teiles der Philosophie (E. Diederichs, 1923), by Hans Driesch (page images at HathiTrust; US access only)
- Collection complette des œuvres de Charles Bonnet (De l'imprimerie de Samuel Fauche, libraire du roi, 1779), by Charles Bonnet (page images at HathiTrust)
- Sexology as the philosophy of life: implying social organization and government. (Published for the author by J.R. Walsh, 1867), by Elizabeth Osgood Goodrich Willard (page images at HathiTrust)
- Philosophy & war (E.P. Dutton, 1916), by Emile Boutroux and Fred Rothwell (page images at HathiTrust)
- Illustrations of universal progress; a series of discussions. (D. Appleton and company, 1883), by Herbert Spencer (page images at HathiTrust)
- An inquiry into the human mind on the principles of common sense. (Printed for Thomas Tegg, 1823), by Thomas Reid (page images at HathiTrust)
- Preface to philosophy : textbook (Macmillan, 1947), by William Pearson Tolley, John Herman Randall, Charles William Hendel, Brand Blanshard, and William Ernest Hocking (page images at HathiTrust)
- Paracelsus sämtliche Werke : nach der 10 Bändigen Huserschen Gesamtausgabe (1589-1591) zum erstenmal in neuzeitliches deutsch übersetzt, mit Einleitung, Biographie, Literaturangaben und erklärenden Anmerkungen (G. Fisher, 1926), by Paracelsus and Bernhard Aschner (page images at HathiTrust; US access only)
- Istoricheskii͡a pisʹma. (N.N. Klobukov, 1906), by P. L. Lavrov (page images at HathiTrust; US access only)
- Herder's Werke. (G. Hempel, 1879), by Johann Gottfried Herder, Anton Eduard Wollheim da Fonseca, and Heinrich Düntzer (page images at HathiTrust)
- Johann Gottfried v. Herder's sämmtliche Werke in vierzig Bänden. (J.G. Cotta, 1852), by Johann Gottfried Herder, Jakob Balde, and Karoline Herder (page images at HathiTrust)
- Tetsugaku to shūkyō (Kōdōkan, 1915), by Tetsujirō Inoue (page images at HathiTrust; US access only)
- Lebensfragen. (S. Hirzel, 1910), by Oscar Ewald (page images at HathiTrust; US access only)
- George Holmes Howison, philosopher and teacher; a selection from his writings, with a biographical sketch (University of California press, 1934), by George Holmes Howison, George Malcolm Stratton, and John Wright Buckham (page images at HathiTrust)
- Encyclopädie der theoretischen Philosophie. (J.B. Metzler, 1869), by Joseph Beck (page images at HathiTrust)
- Die Rätsel der Philosophie in ihrer Geschichte als Umriss dargestellt; zugleich neue Ausgabe des Werkes: Welt- und Lebensanschauungen im 19. Jahrhundert, ergänzt durch eine Vorgeschichte über abendländische Philosophie und bis zur Gegenwart fortgesetzt (S. Cronbach, 1918), by Rudolf Steiner (page images at HathiTrust; US access only)
- Filosofi a fundamental. (Editorial Reus, s.a., 1922), by Jaime Luciano Balmes and Adolfo Bonilla y San Marti n (page images at HathiTrust; US access only)
- Illustrations of universal progress; a series of discussions. (D. Appleton and company, 1864), by Herbert Spencer (page images at HathiTrust)
- Idealurile umanității ; Despre bolșevism (Cultura națională, 1923), by T. G. Masaryk (page images at HathiTrust; US access only)
- Die Transszendentale und die psychologische Methode. (Dürr, 1900), by Max Scheler (page images at HathiTrust; US access only)
- Oeuvres et correspondances inédites (Perrin et Cie, 1887), by Jean LeRond d'Alembert and Charles Henry (page images at HathiTrust)
- The elements of intellectual philosophy. (Sheldon & Company, 1854), by Francis Wayland (page images at HathiTrust)
- A realistic philosophy; the perennial principles of thought and action in a changing world. (Ungar, 1962), by Kurt F. Reinhardt (page images at HathiTrust)
- Philosophical works of the late James Frederick Ferrier. (W. Blackwood and sons, 1875), by James Frederick Ferrier, Edmund Law Lushington, and Alexander Grant (page images at HathiTrust)
- Grundsätze der Philosophie der Zukunft. (Verlag des literarischen Comptrois, 1843), by Ludwig Feuerbach (page images at HathiTrust)
- Gesammelte Studien und Aufsätze gemeinverständlichen Inhalts. (Haacke, 1888), by Eduard von Hartmann (page images at HathiTrust)
- Ausgewählte philosophische Schriften im Originaltext (F. Meiner, 1914), by Gottfried Wilhelm Leibniz and Herman Schmalenbach (page images at HathiTrust; US access only)
- Etudes sur la nature humaine; essai de philosophie optimiste (Masson, 1903), by Elie Metchnikoff (page images at HathiTrust; US access only)
- Herders sämmtliche Werke. (Weidmann, 1877), by Johann Gottfried Herder, Bernhard Suphan, Reinhold Steig, Carl Christian Redlich, Otto Hoffmann, and Jakob Balde (page images at HathiTrust; US access only)
- Essai d'une histoire de la pensée dans les temps modernes (880-04 Zheneva : [Volʹnai︠a︡ russkai︠a︡ tipografīi︠a︡], 1894-, 1894), by P. L. Lavrov (page images at HathiTrust; US access only)
- Sämmtliche Werke. (Klang, 1846), by Friedrich von Schlegel and C. J. H. Windischmann (page images at HathiTrust)
- El hombre mediocre, ensayo moral sobre la mediocridad human... (Talleres gráficos Argentinos de L. J. Rosso y Cía, Belgrano, 475, 1926), by José Ingenieros (page images at HathiTrust; US access only)
- Na puti︠a︡kh : utverzhdenīe evrazīĭt︠s︡ev (Gelikon, 1922), by Nikolaĭ Sergeevich Trubet͡skoĭ, Petr Petrovich Suvchinskiĭ, and P. N. Savit︠s︡kiĭ (page images at HathiTrust; US access only)
- Élements de philosophie médicale; (Histoire, métaphysique, psychologie, logique, morale) (M. Rivière, 1925), by Noël Hallé (page images at HathiTrust; US access only)
- Ōnishi Hakushi zenshū (Keiseisha Shoten, 1903), by Hajime Ōnishi (page images at HathiTrust; US access only)
- Principes de philosophie scientifique et de philosophie morale a l'usage des élèves de la classe de mathématiques élémentaires, de la classe de première (sciences) et des candidats au baccalauréat sécondaire classique (second examen, partie scientifique) (P. Delaplane, 1893), by Alexis Betrand (page images at HathiTrust)
- Etudes sur la nature humaine. Essai de philosophie optimiste (A. Maloine, 1908), by Elie Metchnikoff (page images at HathiTrust; US access only)
- Gesammelte Schriften. (Teubner, 1914), by Wilhelm Dilthey, Frithjof Rodi, and Karlfried Gründer (page images at HathiTrust; US access only)
- The philosophy of Jonathan Edwards from his private notebooks. (University of Oregon, 1955), by Jonathan Edwards (page images at HathiTrust)
- Philosophy: an introduction (Barnes & Noble, 1942), by John Herman Randall and Justus Buchler (page images at HathiTrust)
- Zur Psychologie der Philosophie und der Philosophen. (F. Meiner, 1926), by Alexander Herzberg (page images at HathiTrust; US access only)
- Die Akademie; eine Sammlung von Aufsätzen aus dem Arbeitskreis der Philosophischen Akademie auf dem Burgberg in Erlangen. (Verlag der Philosophischen Akademie, 1924), by Rolf Hoffmann and Erlangen Philosophische Akademie (page images at HathiTrust; US access only)
- Vvedenīe v filosofīi͡u. (E.V. Kerner, 1900), by M. N. Ershov (page images at HathiTrust; US access only)
- Eduard von Hartmann's ausgewählte werke. (Carl Duncker's, 1885), by Eduard von Hartmann (page images at HathiTrust; US access only)
- Philosophie als Grundwissenschaft (Kesselringsche Hofbuchhandlung (E. v. Mayer), 1910), by Johannes Rehmke (page images at HathiTrust; US access only)
- Philosophische abhandlungen : Christoph Sigwart zu seinem siebzigsten geburtstage 28. märz 1900 (J.C.B. Mohr (Paul Siebeck), 1900), by Benno Erdmann (page images at HathiTrust; US access only)
- The scientific approach to philosophy; selected essays and reviews. (Macmillan, 1924), by Herbert Wildon Carr (page images at HathiTrust; US access only)
- Tafeln zur Geschichte der Philosophie : graphische Darstellung der Lebenszeiten seit Thales, und Übersicht der Literatur seit 1440 (Verlag Speyer & Peters, 1910), by Carl Stumpf and Paul Menzer (page images at HathiTrust; US access only)
- [Works] (D. Appleton & company, 1860), by Herbert Spencer (page images at HathiTrust; US access only)
- Sämtliche Werke (F. Meiner, 1928), by Georg Wilhelm Friedrich Hegel and Georg Lasson (page images at HathiTrust; US access only)
- A brief introduction to modern philosophy (The Macmillan company;, 1899), by Arthur Kenyon Rogers (page images at HathiTrust; US access only)
- Institutiones philosophicae ad usum seminariorum et collegiorum : logica, metaphysica, moralis (Apud Mequignon Juniorem et J. Leroux, 1844), by J. B. Bouvier (page images at HathiTrust)
- Saggio sulla filosofia dello spirito. (successori le Monnier, 1867), by Marianna Florenzi Waddington (page images at HathiTrust)
- Ethical and physiological inquiries : chiefly relative to subjects of popular interest (Charles Scribner ;, 1862), by A. H. Dana (page images at HathiTrust)
- Nouvelles recherches sur l'esthétique et la morale (F. Alcan, 1900), by J.-P. Durand de Gros (page images at HathiTrust; US access only)
- Science et philosophie ... (Bloud & cie., 1913), by Albert August Cochon de Lapparent (page images at HathiTrust; US access only)
- La intuición de la verdad y otros ensayos (1915-1925) (C. Raggio, 1926), by Gustavo Pittaluga (page images at HathiTrust; US access only)
- Les affirmations de la conscience moderne. (A. Colin, 1913), by Gabriel Séailles (page images at HathiTrust; US access only)
- La disciplina mental. (Góngora, 1924), by Ramón Turró and RamoÌn TurroÌ (page images at HathiTrust; US access only)
- Essays. (Felix Meiner, 1913), by Raoul Richter (page images at HathiTrust; US access only)
- Grundwissenschaftliche Philosophie. (B. G. Teubner, 1924), by Johannes Erich Heyde (page images at HathiTrust; US access only)
- Précis de philosophie : rédigé conformément aux programmes officiels pour la classe de philosophie d'après les leçons de philosophie de M. E. Rabier (Hachette, 1891), by René Worms and Elie Rabier (page images at HathiTrust)
- Problemi filosofici: conoscenza - morale - estetica - religione. Ad uso dei licei. (N. Zanichelli, 1924), by Giuseppe Tarozzi (page images at HathiTrust; US access only)
- Saggio sulla natura : Dante, il poeta del pensiero (Successori Le Monnier, 1866), by Marianna Florenzi Waddington (page images at HathiTrust)
- Die welt als subjekt-opjekt; einführung in die lehre von den allgemeinsten gedanken (K. Grethlein, 1923), by G. F. Bauer (page images at HathiTrust; US access only)
- La filosofia dello spirito di Giorgio G.F. Hegel (F. Rossi-Romano, 1863), by Georg Wilhelm Friedrich Hegel, Alessandro Novelli, and Ludwig Boumann (page images at HathiTrust)
- Summa philosophica in usum scholarum (Libraria Delhomme et Briguet, J. Briguet, Editor, 1900), by Tommaso Maria Zigliara (page images at HathiTrust)
- Institutiones philosophicae Salvatoris Tongiorgi ... (H. Goemaere, 1868), by Salvator Tongiorgi (page images at HathiTrust)
- Der philosophische Sinn; programm des energetischen Idealismus (Vandenhoeck & Ruprecht, 1912), by Ferdinand Jakob Schmidt (page images at HathiTrust; US access only)
- René Descartes' philosophiche Werke (L. Heimann, 1870), by René Descartes and J. H. von Kirchmann (page images at HathiTrust)
- The elements of intellectual philosophy (Sheldon & co., 1871), by Francis Wayland (page images at HathiTrust)
- The sciences of nature versus the science of man. A plea for the science of man. (Dodd & Mead, 1871), by Noah Porter (page images at HathiTrust)
- Prelezioni di filosofia. Con appendice di due relazioni di Alf. (B. Virzì, 1877), by Vincenzo Di Giovanni (page images at HathiTrust)
- Abhandlungen zur naturwissenschaft und psychologie (H. Beyer & söhne, 1887), by Carl Sebastian Cornelius (page images at HathiTrust)
- Études familières de psychologie et de morale (Hachette et cie, 1884), by Francisque Bouillier (page images at HathiTrust)
- Elementi di filosofia (Reale stamperia e libreria, 1846), by Salvatore Mancino (page images at HathiTrust)
- Elementi di filosofia ... (G.B. Paravia; [etc., etc., 1922), by Francesco Fiorentino and Giovanni Gentile (page images at HathiTrust; US access only)
- Zur begriffsbestimmung der philosophie. Eine kritische erörterung (L. Simion nf., 1912), by Nicolaus Petrescu (page images at HathiTrust; US access only)
- Cours élémentaire de philosophie (Popelain, 1840), by J. Tissot (page images at HathiTrust)
- Essai de philosophie générale élémentaire (F. Alcan, 1921), by Henri Guillou (page images at HathiTrust; US access only)
- Compendium dialecticae, criticae et ontologiae (E. Subirana, 1926), by Francisco Marxuach (page images at HathiTrust; US access only)
- Cuestiones filosóficas. Del estoicismo en la antigüedad y en nuestros dias. De la libertad moral y del hábito en sus relaciones con la conciencia. (Imp. del Asilo de huérfanos del S.C. de Jesús, 1917), by Eduardo Sanz y Escartín (page images at HathiTrust; US access only)
- Filosofía fundamental (Garnier hermanos, 1868), by Jaime Luciano Balmes (page images at HathiTrust)
- Curso de filosofía elemental; lógica, metafísica, ética, historia de la filosofía. (Garnier hermanos), by Jaime Luciano Balmes (page images at HathiTrust; US access only)
- Elementi di filosofia per le scuole scondarie (L. Pierro, 1904), by Filippo Masci (page images at HathiTrust; US access only)
- Cours de philosophie (Poussielgue frères, 1883), by Ernest Regnault (page images at HathiTrust)
- Le fondement de la philosophie (P. Téqui, 1925), by Jean Maar and Albert Reggio (page images at HathiTrust; US access only)
- Philosophy and the social problem (The Macmillan company, 1917), by Will Durant (page images at HathiTrust)
- Scritti varii : editi e inediti di filosofia e politica (G. Laterza, 1906), by Antonio Labriola and Benedetto Croce (page images at HathiTrust; US access only)
- L'idea e il mondo, abbozzo introduttivo ad un idealismo concreto. (Fratelli Bocca, 1925), by R. Pavese (page images at HathiTrust; US access only)
- A defence of prejudice, and other essays (C. Scribner's sons, 1912), by John Grier Hibben (page images at HathiTrust)
- Arte, storia e filosofia : saggi critici (G.C. Sansoni, 1884), by Pasquale Villari (page images at HathiTrust)
- Festschrift für Paul Natorp zum siebzigsten Geburstage (De Gruyter, 1924), by Paul Natorp (page images at HathiTrust; US access only)
- Arthur Schopenhauers handschriftlicher Nachlass. Aus den auf der Königlichen Bibliothek in Berlin verwahrten Manuskriptbüchern (Reclam, 1892), by Arthur Schopenhauer and Eduard Grisebach (page images at HathiTrust)
- Entweder/oder (E. Diederichs, 1911), by Søren Kierkegaard and Christoph Schrempf (page images at HathiTrust; US access only)
- Lehrbuch der Philosophie auf aristotelisch-scholastischer Grundlage zum Gebrauche an höheren Lehranstalten und zum Selbstunterricht. (Herder, 1906), by Alfons Lehmen and Peter Beck (page images at HathiTrust; US access only)
- Lehrbuch der philosophie auf aristotelisch-scholastischer grundlage, zum gebrauch an höheren lehranstalten und zum selbstunterricht. (Herder & co.; [etc., etc.], 1920), by Alfons Lehmen (page images at HathiTrust; US access only)
- Philosophy (The Columbia university press, 1911), by Nicholas Murray Butler (page images at HathiTrust; US access only)
- Philosophie und Pädagogik : Untersuchungen auf ihrem Grenzgebiet (N. G. Elwert, 1909), by Paul Natorp (page images at HathiTrust; US access only)
- Ethical philosophy and civilzation (Wetzel publishing co., inc., 1935), by Edward D. Zinninger (page images at HathiTrust)
- The philosophy of a commoner (Wetzel Publishing company, inc., 1928), by John Stanley Knowles (page images at HathiTrust)
- Physical chemistry and scientific thought. An inaugural lecture delivered at the University of Liverpool on Friday, 16 January, 1914. (At the University press of Liverpool, 1914), by William C. McC. Lewis (page images at HathiTrust; US access only)
- Philosophy as scientia scientiarum : and, A history of classifications of the sciences (W. Blackwood and sons, 1904), by Robert Flint (page images at HathiTrust)
- The cosmic God. A fundamental philosophy in popular lectures. (Office American Israelite and Deborah, 1876), by Isaac Mayer Wise (page images at HathiTrust)
- The nature of life; a study in metaphysical analysis (New York city, 1922), by Florence Webster (page images at HathiTrust)
- The philosophy of indifference; an introduction to a revised ethical standard for modern Americans (The Southgate press, 1931), by Milton Anthony Stone (page images at HathiTrust)
- Die Philosophischen Grundlagen der Wissenschaften: Vorlesungen gehalten an der Universität Berlin (B.G. Teubner, 1906), by Max B. Weinstein (page images at HathiTrust; US access only)
- Knowing and acting : an inaugural lecture delivered before the University of Oxford, 26 November, 1910 (Clarendon Press, 1910), by J. A. Smith (page images at HathiTrust)
- The philosophy of human nature, in its physical, intellectual, and moral relations; with an attempt to demonstrate the order of Providence in the three-fold constitution of our being. (Longman, Rees, Orme, Brown, Green & Longman, 1837), by Henry M'Cormac (page images at HathiTrust)
- Leçons de philosophie ... (A. Hatier, 1916), by Paulin Malapert (page images at HathiTrust; US access only)
- Précis de philosophie; conforme au programme du baccalauréat de l'enseignement secondaire ... (J.de Gigord, 1912), by Louis Levesque (page images at HathiTrust; US access only)
- La science et l'art dans la philosophie. (J.B. Baillière et fils, 1903), by Paul Frédault (page images at HathiTrust; US access only)
- Manuel de philosophie à l'usage de la classe de mathématiques, des classes préparatoires aux Écoles Polytechnique et de Saint-Cyr et à l'Institut Agronomique (A. Colin, 1927), by Armand Cuvillier (page images at HathiTrust; US access only)
- Précis de philosophie (Dezobry, 1857), by Ch. Bénard (page images at HathiTrust)
- Unity in nature, an analogy between music and life (Sherratt & Hughes, 1911), by C. E. Stromeyer (page images at HathiTrust)
- Typical methods of thinking in science and philosophy ... (Olstile Press, 1910), by Lucas Carlisle Kells (page images at HathiTrust)
- Grundlagen der Philosophie (W. de Gruyter, 1925), by Ákos Pauler (page images at HathiTrust; US access only)
- Die weltanschauung des absoluten idealismus; ein beitrag zur erkenntnis der wesenseinheit der welt (H. Haacke, 1909), by Otto Kröger (page images at HathiTrust; US access only)
- Über philosophische Wissenschaft und ihre Propädeutik (Hölder, 1885), by A. Meinong (page images at HathiTrust)
- Elemente der Philosophie. (Herder, 1874), by Georg Hagemann (page images at HathiTrust)
- Einführung in das philosophische Denken für Anfänger und Alleinlernende. (B.G. Teubner, 1923), by Wilhelm Bruhn (page images at HathiTrust; US access only)
- Oeuvres philosophiques de Leibniz : avec une introduction et des notes (Ladrange, 1866), by Gottfried Wilhelm Leibniz and Paul Janet (page images at HathiTrust)
- Lectures on the philosophy of the human mind. (M. Newman, 1822), by Thomas Brown (page images at HathiTrust)
- Studies on problems of philosophy and ethics. (John Murray, 1901), by William Angus Knight (page images at HathiTrust)
- Creative freedom (Harper, 1926), by J. W. T. Mason (page images at HathiTrust; US access only)
- Knowledge and practice ([Philadelphia, 1909), by James Edwin Creighton (page images at HathiTrust)
- Discursos leídos ante la Real academia española, en la recepción pública del Excmo. Sr. D. Vicente Barrantes, á 25 de marzo de 1876. [El estilo y los conceptos de algunos escritores. (P. Nuñez, 1876), by Vicente Barrantes and CaÌndido Nocedal (page images at HathiTrust)
- Einleitung in die Philosophie (S. Hirzel, 1898), by Oswald Külpe (page images at HathiTrust; US access only)
- La définition de la philosophie. (F. Alcan, 1894), by Ernest Naville (page images at HathiTrust)
- Bausteine zu einer Lebensphilosophie ... (E. Beyer's nachf. g.m.b.h., 1909), by Richard Münzer (page images at HathiTrust; US access only)
- Philosophie vom zweck aus ... (J.C. Hinrichs, 1912), by Hermann Schneider (page images at HathiTrust; US access only)
- Der Weg in die Philosophie; eine philosophische Fibel. (B.G. Teubner, 1926), by Georg Misch (page images at HathiTrust; US access only)
- Festschrift für Alois Riehl. Von Freunden und Schülern zu seinem siebzigsten Geburtstage dargebracht. (M. Niemeyer, 1914), by Alois Riehl (page images at HathiTrust; US access only)
- Aus der Werkstatt der Philosophia perennis; Gesammelte philosophische Schriften. (Herder, 1912), by Otto Willmann (page images at HathiTrust; US access only)
- Die Welt- und Lebensanschauung Friedrich Ueberwegs in seinen gesammelten philosophisch-kritischen Abhandlungen. Nebst einer biographisch-historischen Einleitung (G. Engel, 1889), by Friedrich Ueberweg and Moritz Brasch (page images at HathiTrust)
- The relation of science and philosophy ... (University Press, 1914), by Roy Balmer Liddy (page images at HathiTrust; US access only)
- A chapter from the story of Pauline Parsons (W.P. Morrison, 1916), by Theophilus Brass (page images at HathiTrust)
- Lehrbuch zur Einleitung in die Philosophie (Braumüller, 1855), by Johann von Lichtenfels (page images at HathiTrust)
- Problems in philosophy (G. P. Putnam's sons, 1885), by John Bascom (page images at HathiTrust)
- Essais de synthèse scientifique (F. Alcan, 1912), by Eugenio Rignano (page images at HathiTrust; US access only)
- Elementi di filosofia ad uso delle scuole (G. Pirotta, 1818), by Melchiorre Gioja (page images at HathiTrust)
- The fourth wise man : a quest for reasonable certainties. (Carlborg Blades, 1954), by Howard Matson (page images at HathiTrust)
- Exploratio philosophica. ... (University Press, 1865), by John Grote (page images at HathiTrust; US access only)
- Philosophie religieuse et pratique, ses bases, regles et conséquences; études expérimentales de religion et philosophie naturelles. (M. Giard & E. Brière, 1915) (page images at HathiTrust; US access only)
- Quæro <some questions in matter, energy, intelligence, and evolution.> (Printed by Taylor and Francis, 1898), by James H. Keeling (page images at HathiTrust; US access only)
- The helpful science (Harper, 1895), by St. George Jackson Mivart (page images at HathiTrust)
- Apollonius of Tyana, and other essays (S. Sonnenschein, 1906), by Thomas Whittaker (page images at HathiTrust)
- Human experience; a study of its structure (J. Murray, 1926), by Richard Burdon Haldane (page images at HathiTrust)
- Present-day thinkers and the new scholasticism; an international symposium (B. Herder book co., 1926), by John Stanislaus Zybura (page images at HathiTrust; US access only)
- Matter, life, mind, and God; five lectures on contemporary tendencies of thought (Harcourt, Brace, 1923), by Reinhold Friedrich Alfred Hoernlé (page images at HathiTrust)
- Betrachtungen über metaphysik und kunst (K.J. Trübner, 1914), by Hans Friedrich Casimir Baer (page images at HathiTrust; US access only)
- Die Philosophie in der Staatsprüfung. Winke für Examinatoren und Examinanden. Zugleich ein Beitrag zur Frage der Philos. Propaedeutik. Nebst 340 Thematen zu Prüfungsarbeiten. (Reuther & Reichard, 1906), by Hans Vaihinger (page images at HathiTrust; US access only)
- Thoughts about life. (Philosophical Library, 1954), by Felix Friedberg (page images at HathiTrust)
- Istitutzioni di logica, metafisica ed etica. ([Venezia, 1813), by Francesco Soave (page images at HathiTrust)
- ʼEz ha-daʼath bʼgan ha-ʼeden mikkedem (Niddʼpas baddʼfuth shel Abraham ben David bʼPressburg, 1890), by S. Rubin (page images at HathiTrust)
- Herders Philosophie : ausgewählte Denkmäler aus der Werdezeit der neuen deutschen Bildung (Dürr'sche Buchhandlung, 1906), by Johann Gottfried Herder and Horst Stephan (page images at HathiTrust; US access only)
- Die drey ersten Vorlesungen über die Philosophie des Lebens (C. Schaumburg, 1827), by Friedrich von Schlegel (page images at HathiTrust)
- Grundzüge der praktischen Philosophie (Leipzig : S. Hirzel, 1884), by Hermann Lotze (page images at HathiTrust)
- De la science à l'action; études et notes recueillies, avec une introduction, par Floris Delattre ... (Les Presses universitaires de France, 1924), by Henri Delattre and Floris Delattre (page images at HathiTrust; US access only)
- Anterosofía racional (Agencia general de librerías y publicaciones, 1926), by Manuel Núñez Regueiro (page images at HathiTrust; US access only)
- Fundamentos de la anterosofía (la ciencia que florece (Agencia general de librerías y publicaciones, 1925), by Manuel Núñez Regueiro (page images at HathiTrust; US access only)
- Scritti filosofici, raccolti e pubblicati con note e con un discorso sulla vita e sulle opere dell'autore, da Giovanni Gentile e preceduti da una prefazione di D. Jaja. (A. Morano & figlio, 1900), by Bertrando Spaventa and Giovanni Gentile (page images at HathiTrust; US access only)
- Ocherki filosofii narodnichestva. (Skify, 1923), by Aleksandr Shreĭder (page images at HathiTrust; US access only)
- Las luchas de nuestros días. (A. Perez, 1906), by Francisco Pí y Margall (page images at HathiTrust; US access only)
- Grundzüge der Logik und Encyklopädie der Philosophie (S. Hirzel, 1885), by Hermann Lotze (page images at HathiTrust)
- Manuel de philosophie (L. Hachette, 1869), by Amédée Florent Jacques and Jules Simon (page images at HathiTrust)
- Einleitung in die Philosophie. (M. Niemeyer, 1922), by Paul Menzer (page images at HathiTrust; US access only)
- Einleitung in die Philosophie. (F. Dümmler, 1925), by Aloys Müller (page images at HathiTrust; US access only)
- Einführung in die Philosophie (Quelle & Meyer, 1922), by Antonin Prandtl (page images at HathiTrust; US access only)
- Einleitung in die Philosophie (Braumüller, 1906), by Wilhelm Jerusalem (page images at HathiTrust; US access only)
- Einleitung in die Philosophie. (Quelle & Meyer, 1913), by Paul Menzer (page images at HathiTrust; US access only)
- Philosophie des geistes, oder Encyclopädie der gesammten geisteslehre. (J. Bensheimer, 1842), by Joseph Hillebrand (page images at HathiTrust)
- Hauptprobleme der philosophie (G. J. Göschen, 1911), by Georg Simmel (page images at HathiTrust; US access only)
- Classification des sciences; les idées maitresses des sciences et leur rapports (F. Alcan, 1920), by Adrien Naville (page images at HathiTrust; US access only)
- The amateur philosopher (C. Scribner's sons, 1917), by Carl H. Grabo (page images at HathiTrust; US access only)
- Philosophy : what is it (Cambridge U.P., 1920), by F. B. Jevons (page images at HathiTrust)
- Im Geiste Fechners; fünf naturwissenschaftliche Essays (G.H. Meyer, 1901), by Willy Pastor and Gustav Theodor Fechner (page images at HathiTrust; US access only)
- Da Socrate a Hegel : nuovi saggi di critica filosofica (G. Laterza, 1905), by Bertrando Spaventa and Giovanni Gentile (page images at HathiTrust; US access only)
- Sibyllinische Blätter des Magus. (E. Diederichs, 1905), by Johann Georg Hamann and Rudolf Unger (page images at HathiTrust; US access only)
- Die moderne Weltanschauung und der Mensch; sechs öffentliche Vorträge. (G. Fischer, 1901), by Benjamin Vetter (page images at HathiTrust; US access only)
- Pokhvala prazdnosti; sbornik stateĭ. (Kostry, 1922), by I͡U. I. Aĭkhenvalʹd (page images at HathiTrust; US access only)
- The discovery of the future. (A. C. Fifield, 1913), by H. G. Wells (page images at HathiTrust; US access only)
- Ontwikkeling van het begrip der philosophie, tot inleiding in de bespiegelende wijsbegeerte op het tegenwoording standpunt der wetenschap. (G.T.N. Suringar, 1835), by Taco Roorda (page images at HathiTrust)
- Essays, scientific and philosophical : with memoirs of the author (K. Paul, Trench, Trubner, 1890), by Aubrey L. Moore (page images at HathiTrust)
- Von Robespierre zu Buddha. (W. Friedrich, 1898), by Karl Bleibtreu (page images at HathiTrust; US access only)
- Schellings Schriften zur Gesellschaftsphilosophie, ausgewählt, mit Einführung und Anmerkungen versehen von d. Manfred Schröter. (G. Fischer, 1926), by Friedrich Wilhelm Joseph von Schelling and Manfred Schröter (page images at HathiTrust; US access only)
- La Sociedad. Revista religiosa, filosófica, política y literaria ... (Impr. barcelonesa, 1889), by Jaime Luciano Balmes (page images at HathiTrust)
- A new theory of vision and other select philosophical writings. (Dent;, 1910), by George Berkeley and A. D. Lindsay (page images at HathiTrust; US access only)
- Della protologia di Vincenzo Gioberti (eredi Botta; [etc., etc.], 1857), by Vincenzo Gioberti and Giuseppe Massari (page images at HathiTrust)
- Introduzione allo studio della filosofia (presso Ernesto Oliva, 1850), by Vincenzo Gioberti (page images at HathiTrust)
- Institutiones philosophicae Mattaei Liberatore ... (Typis s. congregationis de propaganda fide, 1855), by Matteo Liberatore (page images at HathiTrust; US access only)
- Opere filosofiche e d'economia politica del conte Pietro Verri. (G. Silvestri, 1818), by Pietro Verri (page images at HathiTrust)
- Lezioni di logica e metafisica. (F. Perelli, 1845), by Pasquale Galluppi (page images at HathiTrust)
- Corso di filosofia sperimentale e di belle lettere in generale; o sia, Lezioni intorno alla scienza dell'umano pensiere ed all'amena letteratura (Tipografia del Vesuvio, 1840), by Antonio Pandullo di Tropea (page images at HathiTrust)
- System der praktischen philosophie ... (A. W. Unzer, 1818), by Wilhelm Traugott Krug (page images at HathiTrust)
- Kleine Schriften (Mohr, 1881), by Christoph Sigwart (page images at HathiTrust)
- Eléments de philosophie ... (P. Tequi, 1923), by Jacques Maritain (page images at HathiTrust; US access only)
- Introduction à la philosophie des sciences naturelles, à la philosophie de l'histoire, et à l'étude des littératures comparées ... (H. Dalmazzo, 1860), by S. Emilio Nerva (page images at HathiTrust; US access only)
- Handbuch der Philosophie und der philosophischen Literatur (Brockhaus, 1828), by Wilhelm Traugott Krug (page images at HathiTrust)
- La scienza dell'uomo interiore e delle sue relazioni con la natura e con Dio. (Tip. all'Insegna del Diogene, 1845), by Giuseppe Romano (page images at HathiTrust)
- Dell' uso e dell'abuso dello spirito filosofico durante il secolo decimottavo di G.S.M. Portalis ... Opera preceduta da una notizia sulla vita dell'autore, da un discorso preliminare dell'editore francese, e volgarizzata da N.M. Corcia. (C. Bompard, 1836), by Jean-Etienne-Marie Portalis and N. M. Corcia (page images at HathiTrust)
- Brevarium philosophiae scholasticae (P. Lethielleux, 1886), by Eugène Grandclaude (page images at HathiTrust)
- Reconstruction in philosophy (H. Holt and Company, 1920), by John Dewey (page images at HathiTrust)
- Studi critici (Drucker & Tedeschi, 1878), by G. Trezza (page images at HathiTrust)
- Gabe Herrn Rabbiner Dr. Nobel zum 50. Geburtstag (J. Kauffmann, 1921), by Martin Buber (page images at HathiTrust; US access only)
- Selección de las Enéadas (Universidad Nacional de México, 1923), by Plotinus (page images at HathiTrust; US access only)
- Études de philosophie ancienne et de philosophie moderne (R. Alcan, 1912), by Victor Charles Louis Brochard and Victor Delbos (page images at HathiTrust; US access only)
- Festschrift Johannes Volkelt zum 70. Geburtstag dargebracht von Paul Barth, Bruno Bauch, Ernst Bergmann [u.a.] ... (Beck, 1918), by Ernst Bergmann (page images at HathiTrust; US access only)
- Studies in human nature (G. Bell and sons, ltd., 1921), by J. B. Baillie (page images at HathiTrust)
- Philosophisches Abhandlungen : Hermann Cohen zum 70sten Geburtstag (4. Juli 1912) dargebracht. (B. Cassirer, 1912) (page images at HathiTrust; US access only)
- Celebration of the five hundredth anniversary of foundation; publications of the Departments of philosophy and divinity. (Printed at the University press by R. Maclehose & co., ltd., 1911), by University of St. Andrews (page images at HathiTrust)
- Œuvres complètes de P.-J. Proudhon. (Librairie Internationale [etc., etc.], 1857), by P.-J. Proudhon (page images at HathiTrust; US access only)
- Die philosophie im beginn des zwanzigsten jahrhunderts : Festschrift für Kuno Fischer (C. Winter, 1904), by Wilhelm Windelbaum and W. Windelband (page images at HathiTrust; US access only)
- Ideály humanitní : několik kapitol (Tiskem inform.-osvětového odboru československého vojska na Rusi, 1920), by T. G. Masaryk (page images at HathiTrust; US access only)
- Die Philosophie der Erlösung (T. Hofmann, 1879), by Philipp Mainländer (page images at HathiTrust)
- The life of reason (C.Scribner's sons, 1922), by George Santayana (page images at HathiTrust)
- Permanence and change; an anatomy of purpose (New republic, inc., 1935), by Kenneth Burke (page images at HathiTrust)
- Dissertations and discussions : political, philosophical, and historical. (Henry Holt and Co., 1874), by John Stuart Mill (page images at HathiTrust)
- Discussions on philosophy and literature, education and university reform. Chiefly from the Edinburgh review; cor., vindicated, enl., in notes and appendices. (Longman, Brown, Green and Longmans; [etc.,etc.], 1852), by William Hamilton (page images at HathiTrust)
- Dissertations and discussions ; political, philosophical, and historical (Longmans, Green, Reader and Dyer, 1867), by John Stuart Mill (page images at HathiTrust)
- Einleitung in die Philosophie : nebst Abhandlungen zur Dialektik, Aesthetik und u̲ber die deutsche Sprachverhunzung (P. Reclam, 1891), by Arthur Schopenhauer (page images at HathiTrust)
- Philosophische und theologische Kleinschriften. ([Leipzig, etc., 1838), by Karl Theodor Bayrhoffer (page images at HathiTrust)
- Renati des Cartes et Benedicti de Spinoza praecipua opera philosophica recognovit notitias historico-philosophicas adjecit dr. Carolus Riedel... (sumtibus Hermanni Hartung, 1843), by René Descartes, Carl Riedel, and Benedictus de Spinoza (page images at HathiTrust)
- Principj di scienza nuova : d' intorno alla comune natura delle nacioni (Presso il Librajo-Editore F. Perelli, 1862), by Giambattista Vico (page images at HathiTrust)
- Contre la métaphysique; questions de méthode (Alcan, 1912), by Félix Alexandre Le Dantec (page images at HathiTrust; US access only)
- .osophy, comprising logic and ontology or general metaphysics. (J. Murphy & company;, 1873), by Walter H. Hill (page images at HathiTrust)
- Der Aufbau der Systeme; eine formale Einführung in die Philosophie (F. Meiner, 1924), by Karl Groos (page images at HathiTrust; US access only)
- Some of the philosophical essays on socialism and science, religion, ethics, critique-of-reason and the world-at-large (C. H. Kerr, 1917), by Joseph Dietzgen, Joseph Dietzgen, Ernest Untermann, Eugen Dietzgen, F. A. Rotshtein, and Max Beer (page images at HathiTrust)
- Sobranīe sochinenīĭ. (Prosvi︠e︡shchenie, 1911), by Vladimir Sergeyevich Solovyov (page images at HathiTrust; US access only)
- Œuvres complètes (Société d'édition "Les Belles Lettres", 1920), by Plato and Book Traces Project (page images at HathiTrust; US access only)
- Sämtliche Schriften (J.H.W. Dietz, 1920), by Joseph Dietzgen and Eugen Dietzgen (page images at HathiTrust; US access only)
- Katechismus der philosophie (J. J. Weber, 1881), by Julius Hermann von Kirchmann (page images at HathiTrust)
- Philosophy of Sir William Hamilton (Appleton, 1866), by William Hamilton and O. W. Wight (page images at HathiTrust)
- Präludien : Aufsätze und Reden zur Einführung in die Philosophie. (J. C. B. Mohr (P. Siebeck), 1924), by W. Windelband (page images at HathiTrust; US access only)
- Index to Nietzsche (Macmillan, 1924), by Robert Guppy (page images at HathiTrust; US access only)
- Über wissenschaftliches Denken und über populäre Wissenschaft. (Borntraeger, 1899), by Adolf Wagner (page images at HathiTrust; US access only)
- Schopenhauer's Sämmtliche Werke, in fünf Bänden. (Inselverlag, 1905), by Arthur Schopenhauer, Eduard Grisebach, and Max Brahn (page images at HathiTrust; US access only)
- Works. (Oxford University Press, 1928), by Aristotle, J. A. Smith, and W. D. Ross (page images at HathiTrust; US access only)
- The chief works of Benedict de Spinoza (G. Bell, 1909), by Benedictus de Spinoza and Robert Harvey Monro Elwes (page images at HathiTrust; US access only)
- Plotini Enneades, praemisso Prophyrii De vita Plotini deque ordine librorum eius libello (in aedibus B.G. Teubneri, 1883), by Plotinus, Porphyry, and Richard von Volkmann (page images at HathiTrust)
- Publications in philosophy. (Berkeley, 1904), by Berkeley University of California (page images at HathiTrust; US access only)
- Weg zur Erkenntniss des Wahren : ein Vademecum für Freunde praktischer Philosophie (G. J. Manz, 1872), by Jaime Luciano Balmes and Theodor Nissl (page images at HathiTrust)
- Elementi di filosofia del barone Pasquale Galluppi ... (Torchi di Raffaelo, 1834), by Pasquale Galluppi (page images at HathiTrust)
- Corso di filosofia. (Tip. G.B. Merlo, 1836), by Antonio Giusti (page images at HathiTrust)
- Ueber begriff und form der philosophie : eine allgemeine einleitung in das studium der philosophie. (Berlin :, 1872), by Alois Riehl (page images at HathiTrust)
- Elemente der Philosophie : Logik, Erkenntnistheorie und Metaphysik, Moral (praktische Psychologie) für das akademische Studium und zum Selbstunterricht (Veit, 1891), by Julius Baumann (page images at HathiTrust)
- Idee-studies (S.L. van Looy, 1920), by Johannes Diederik Bierens de Haan (page images at HathiTrust; US access only)
- Scritti filosofici e letterari (Nicola Zanichelli, 1919), by Giorgio Politeo (page images at HathiTrust; US access only)
- Introduction à la philosophie : essai sur quelques problèmes de métaphysique (Riviére, 1914), by William James (page images at HathiTrust; US access only)
- Filosofía fundamental ... (Impr. barcelonesa, 1909), by Jaime Luciano Balmes (page images at HathiTrust; US access only)
- Gedanken und thatsachen. Philosophische abhand-lungen, aphorismen und studien (K.J. Trübner, 1899), by Otto Liebmann (page images at HathiTrust; US access only)
- Cours de philosophie (Chez L. Hachette, 1834), by Ph. Damiron (page images at HathiTrust)
- Los fenómenos biológicos ante la filosofía (N. Moya, 1918), by Nicolás Rodríguez y Abaytua (page images at HathiTrust; US access only)
- Philosophie und naturphilosophie (C. Winters, 1923), by V. Goldschmidt (page images at HathiTrust; US access only)
- Les philosophes et la philosophie : histoire, critique et doctrine (Dangien ;, 1879), by Athanase Renard (page images at HathiTrust)
- Acta Societatis Litterarum Humaniorum Regiae Upsaliensis (Almqvist & Wiksell, 1890), by K. Humanistiska vetenskapssamfundet i Uppsala (page images at HathiTrust; US access only)
- Einleitung in die Philosophie (Hertz, 1892), by Friedrich Paulsen (page images at HathiTrust)
- The nature of ideas : Lectures delivered before the Philosophical union, University of California, 1925-1926. (University of California, 1926), by Philosophical Union of the University of California (page images at HathiTrust; US access only)
- Phädon; oder, Über die unsterblichkeit der seele, in drey gesprächen (In der Schmiederischen buchhandlung, 1916), by Moses Mendelssohn (page images at HathiTrust; US access only)
- Sociologie et philosophie (Presses Universitaires de France, 1996), by Émile Durkheim (page images at HathiTrust; US access only)
- Publications. Series in philosophy. (Philadelphia, 1900), by Pennsylvania. University (page images at HathiTrust; US access only)
- A glance at philosophy, mental, moral and social. (Bradbury, Soden and co., 1845), by Samuel G. Goodrich (page images at HathiTrust)
- Mysticism and logic, and other essays (Longmans, Green and co., 1918), by Bertrand Russell (page images at HathiTrust)
- The economy of nature explained and illustrated on the principles of modern philosophy (J. Johnson, 1798), by G. Gregory (page images at HathiTrust)
- A glance at philosophy, mental, moral, and social (Rand and Reynolds, 1852), by Samuel G. Goodrich (page images at HathiTrust)
- Elements of constructive philosophy (G. Allen & Unwin, Ltd.;, 1919), by John Stuart Mackenzie (page images at HathiTrust)
- Philosophical remains of Richard Lewis Nettleship. (Macmillan, 1901), by Richard Lewis Nettleship and A. C. Bradley (page images at HathiTrust)
- A student's history of philosophy (The Macmillan company;, 1913), by Arthur Kenyon Rogers (page images at HathiTrust; US access only)
- The elements of intellectual philosophy. (Sheldon & company, 1865), by Francis Wayland (page images at HathiTrust)
- The life of the spirit; an introduction to philosophy (Williams & Norgate;, 1909), by Rudolf Eucken and Frank Lubecki Pogson (page images at HathiTrust; US access only)
- Essays in scientific synthesis (Allen & Unwin, 1918), by Eugenio Rignano and W. J. Greenstreet (page images at HathiTrust; US access only)
- Elements of general philosophy (Scribners, 1896), by George Croom Robertson and Caroline A. F. Rhys Davids (page images at HathiTrust)
- Elements of the philosophy of the human mind. (Printed [by A. Strahan] for T. Cadell and W. Davies; and A. Constable, Edinburgh, 1816), by Dugald Stewart (page images at HathiTrust)
- Primer of philosophy (The Open court publishing company, 1896), by Paul Carus (page images at HathiTrust)
- A physiological introduction to the study of philosophy (The Review Publishing Company, 1908), by Shepherd Ivory Franz (page images at HathiTrust)
- Biographia philosophica : a retrospect (W. Blackwood, 1905), by Alexander Campbell Fraser (page images at HathiTrust)
- Book of life & death. (Lane, 1921), by Frederick William Grantham (page images at HathiTrust)
- Philosophy of Sir William Hamilton, bart. ... (D. Appleton & company, 1853), by William Hamilton and O. W. Wight (page images at HathiTrust)
- Preparing for publication (Baxter, Printer, 1847), by William Hamilton (page images at HathiTrust)
- Lectures on philosophy : first series (K. Paul, Trench, 1885), by Thomas Maguire (page images at HathiTrust)
- Realistic philosophy defended in a philosophic series. (Scribner, 1900), by James McCosh (page images at HathiTrust; US access only)
- The light of nature pursued. (Daly, 1836), by Abraham Tucker and H. P. St. John Mildmay (page images at HathiTrust)
- The light of nature pursued (Printed for T. Tegg, 1834), by Abraham Tucker and H. P. St. John Mildmay (page images at HathiTrust)
- The realm of ends; or, Pluralism and theism; the Gifford lectures delivered in the University of St. Andrews in the years 1907-10. (University Press, 1912), by James Ward (page images at HathiTrust)
- The approach to philosophy (C. Scribner's Sons, 1908), by Ralph Barton Perry (page images at HathiTrust)
- An outline of philosophy, with notes, historical and critical: (J. Maclehose, 1908), by John Watson (page images at HathiTrust)
- Outlines of cosmic philosophy : based on the doctrine of evolution, with criticisms on the positive philosophy (Houghton, Mifflin, 1898), by John Fiske (page images at HathiTrust)
- Works of John Locke esq; in three volumes .... (Printed for A. Churchill, and A. Manship, and sold by W. Taylor, 1722), by John Locke, C. K. Ogden, and Augustus M. Hopper (page images at HathiTrust)
- Philosophical works. (Henry G. Bohn, 1854), by John Locke and James Augustus St. John (page images at HathiTrust)
- Aesthetical and philosophical essays (F. A. Niccolls & company, 1902), by Friedrich Schiller and Nathan Haskell Dole (page images at HathiTrust; US access only)
- First principles (D. Appleton and company, 1898), by Herbert Spencer (page images at HathiTrust)
- The light of nature pursued (Printed for R. Faulder [etc.], 1805), by Abraham Tucker and H. P. St. John Mildmay (page images at HathiTrust)
- First principles. (Williams and Norgate, 1893), by Herbert Spencer (page images at HathiTrust)
- The discovery of the future. (Jonathan Cape, 1913), by H. G. Wells (page images at HathiTrust)
- Apollonius of Tyana, and other essays (S. Sonnenschein, 1909), by Thomas Whittaker (page images at HathiTrust; US access only)
- Philosophical pamphlets, 1885-1896. (1885) (page images at HathiTrust)
- Personalism and the problems of philosophy an appreciation of the work of Borden Parker Bowne (Methodist Book Concern, 1915), by Ralph Tyler Flewelling and Rudolf Eucken (page images at HathiTrust)
- Problems of philosophy : or, principles of epistemology and metaphysics (Small, Maynard & Co., 1905), by James H. Hyslop (page images at HathiTrust)
- What is philosophy? (John Lane, the Bodley Head, 1905), by Edmund Gore Alexander Holmes (page images at HathiTrust)
- Outlines of cosmic philosophy : based on the doctrine of evolution ; with criticisms on the positive philosophy (Houghton, Mifflin, 1887), by John Fiske (page images at HathiTrust)
- Studies in human nature (G. Bell and Sons, ltd., 1922), by J. B. Baillie (page images at HathiTrust)
- Essays : scientific, political and speculative (Williams and Norgate, 1891), by Herbert Spencer (page images at HathiTrust)
- Darstellung der wichtigsten Wahrheiten der kritischen Philosophie. 4. verb. Ausg. und vermehrt durch einen gedrängten Auszug aus Kant's Critik der reinen Vernunft und einer Uebersicht der vollständigen Literatur der Kant'schen Philosophie. (Flittner'sche Buchhandlung, 1824), by J. G. C. C. Kiesewetter (page images at HathiTrust)
- Introduzione allo studio della filosofia (Stampe di Meline, Cans e compagnia, 1844), by Vincenzo Gioberti (page images at HathiTrust)
- Grundzüge der Logik und Encyklopädie der Philosophie; Diktate aus den Vorlesungen von Herman Lotze. (S. Hirzel, 1891), by Hermann Lotze (page images at HathiTrust)
- Einführung in die philosophie (und Berlin, B. G. Teubner, 1919), by Raoul Hermann Michael Richter and Max Brahn (page images at HathiTrust; US access only)
- Opere varie filosofico-politiche : in prosa e in versi (Gio. Claudio Molini, 1800), by Vittorio Alfieri (page images at HathiTrust)
- Vie et science : lettres d'un vieux philosophe strasbourgeois et d'un étudiant parisien (A. Colin, 1894), by Henri Berr (page images at HathiTrust)
- Kulturwissenschaftliche Weltanschauung. (M. Niemeyer, 1909), by Reinhold Biese (page images at HathiTrust; US access only)
- Geist der Utopie (Duncker & Humblot, 1918), by Ernst Bloch (page images at HathiTrust; US access only)
- La existencia como economía y como caridad : ensayo sobre la esencia del Cristianismo (Porrúa Hermanos, 1916), by Antonio Caso (page images at HathiTrust; US access only)
- Lettres adressées à M. Villemain sur la méthode en général et sur la définition du mot fait, relativement aux sciences, aux lettres, aux beaux-arts, etc., etc. (Garnier Frères, 1856), by M. E. Chevreul and M. Villemain (page images at HathiTrust)
- Philosophie der Zukunft. (F. Frommann, 1922), by Ludwig Feuerbach (page images at HathiTrust; US access only)
- Philosophie, ihr Problem und ihre Probleme; einführung in den kritischen Idealismus (Vandenhoeck & Ruprecht, 1911), by Paul Natorp (page images at HathiTrust; US access only)
- Anthologie der neueren Philosophie (Askanischer Verlag, 1919), by Paul Deussen (page images at HathiTrust; US access only)
- Weltanschauung und Technik. (F. Meiner, 1922), by Viktor Engelhardt (page images at HathiTrust; US access only)
- Die Probleme der Philosophie und ihre Lösungen; historische-kritisch Darstellt. (Schulze, 1888), by Otto Flügel (page images at HathiTrust)
- Kurze Encyklopadie der Philosophie aus praktischen Gesichtspuncten entworfen (Schwetschke, 1831), by Johann Friedrich Herbart (page images at HathiTrust)
- Einleitung in die Philosophie. (W. Hertz, 1899), by Friedrich Paulsen (page images at HathiTrust; US access only)
- Traité de philosophie. (P. Lethielleux, 1922), by Gaston Sortais (page images at HathiTrust; US access only)
- Werke; zur Philosophie und Geschichte. (Grund'schen Schriften, 1813), by Johann Gottfried Herder, J. Georg Müller, and Johannes von Müller (page images at HathiTrust)
- Filosofskīe ocherki (Izd-vo Plami︠a︡, 1924), by Aleksandr Ivanovich Vvedenskiĭ (page images at HathiTrust; US access only)
- Filosofīi︠a︡ v Rossīi : materīaly, izsli︠e︡dovanīi︠a︡ i zami︠e︡tki (Tipo-lit. Imp. universiteta, 1899), by Evgenīĭ Bobrov (page images at HathiTrust; US access only)
- Myšlenky Masarykovy z jeho spisů a řečí : výbor z prací (Nákladem Nového lidu, 1921), by T. G. Masaryk (page images at HathiTrust; US access only)
- Ideály humanitní (několik kapitol) (Nákladem Času, 1901), by T. G. Masaryk (page images at HathiTrust; US access only)
- Vvedenie v filosofīi︠u︡ (Svi︠a︡to-Troit︠s︡kai︠a︡ Sergīeva lavra, 1901), by V. Kudri︠a︡vt︠s︡ev (page images at HathiTrust; US access only)
- Gemeinverständliche werke (A. Kröner; [etc., etc., 1924), by Ernst Haeckel and Heinrich Schmidt (page images at HathiTrust; US access only)
- Ludwig Feuerbach's sämmtliche Werke. (O. Wigand, 1846), by Ludwig Feuerbach (page images at HathiTrust)
- Philosophische Studien (W. Engelmann, 1881) (page images at HathiTrust)
- Columbia University contributions to philosophy and psychology. (New York [etc., 1894), by Columbia University (page images at HathiTrust)
- Gesammelte Schriften (B. Cassirer, 1907), by Emil Arnoldt and Otto Schöndörffer (page images at HathiTrust; US access only)
- The study of nature and the vision of God with other essays in philosophy (W. Briggs, 1907), by George John Blewett (page images at HathiTrust)
- Księga pamiątkowa ku czci Prof. W. Heinricha (Księgarnia Jagiellońska, 1927), by Florian Znaniecki (page images at HathiTrust; US access only)
- Johannis Saresberiensis entheticus de dogmate philosophorum : nunc primum editus et commentariis instructus (Apud J. A. Meissnerum, 1843), by John of Salisbury and Christian Petersen (page images at HathiTrust)
- Philosophy by way of the sciences; an introductory textbook (Macmillan, 1929), by Ray Harbaugh Dotterer (page images at HathiTrust)
- Gesammelte kleinere Schriften zur Philosophie and Psychologie. (M. Nijhoff, 1927), by Gerard Heymans (page images at HathiTrust; US access only)
- Grundlegung der Philosophie. (M. Niemeyer, 1926), by Béla Brandenstein (page images at HathiTrust; US access only)
- Sept manuscrits inédits : écrits de 1803 a 1806 (Au dépot des ouvrages de l'auteur, 1879), by Józef Maria Hoene-Wroński (page images at HathiTrust)
- Per una concezione attivistica della filosofia. (L. Cappelli, 1927), by Mario Manlio Rossi (page images at HathiTrust; US access only)
- Elementa philosophiae Aristotelico-Thomisticae. (Herder, 1926), by Joseph Gredt (page images at HathiTrust; US access only)
- Konformismus, eine Philosophie der normativen Werte (C. Winter, 1910), by Otto Friedrich von der Pfordten (page images at HathiTrust; US access only)
- The critique of poor reason (Priv. print. [F. M. Rapp], 1936), by Arnold Herman Kamiat (page images at HathiTrust)
- Ōnishi Hakushi zenshū (Keiseisha Shoten, 1921), by Hajime Ōnishi (page images at HathiTrust; US access only)
- Archiv für Geschichte der Philosophie. (Walter de Gruyter & Co., 1931) (page images at HathiTrust)
- Works : with notes and supplementary dissertations (J. Thin, 1895), by Thomas Reid (page images at HathiTrust)
- Georg Wilhelm Friedrich Hegel's Phänomenologie des Geistes (Duncker und Humblot, 1841), by Georg Wilhelm Friedrich Hegel and Johannes Karl Hartwig Schulze (page images at HathiTrust)
- Abhandlungen zur Philosophie und ihrer Geschichte. (M. Niemeyer, 1893) (page images at HathiTrust; US access only)
- Zhivoe znanie (Obelisk, 1923), by S. L. Frank (page images at HathiTrust; US access only)
- Neues philosophisches magaZine, erlauterungen und anwendungen des Kantischen systems bestimmt. (Johann Umbrofius Barth, 1789) (page images at HathiTrust)
- Filosofická bibliothéka. (Praze., 1900), by Prague. Třída 1 Česká akademie věd a umění (page images at HathiTrust; US access only)
- Elementos de filosofía. (Tip. emp. El Cojo, 1912), by José Gregorio Hernández (page images at HathiTrust; US access only)
- La logique de Hegel. (F. Alcan, 1897), by Georges Nansen (page images at HathiTrust)
- Atti (Napoli, between 1000 and 1999), by Naples Accademia nazionale di scienze morali e politiche and lettere ed arti in Napoli Società nazionale di scienze (page images at HathiTrust)
- Promenades philosophiques. (1.-3. serie) (Mercure de France, 1908), by Remy de Gourmont (page images at HathiTrust; US access only)
- University of California publications in philosophy. (University Press, 1909), by Berkeley University of California (page images at HathiTrust)
- Grundfragen der weltanschauung (Dieterich, 1912), by Hermann Schwarz (page images at HathiTrust; US access only)
- Über das Verhältniss der kritischen Philosophie zur moralischen, politischen und religiösen Kultur des Menschen; zur Beantwortung der Frage: Ob man nach den Grundsätzen jener Philosophie ein guter Mensch, ein guter Bürger, und ein guter Christ seyn könne? (Voigt, 1798), by Wilhelm Traugott Krug (page images at HathiTrust)
- The last word : being an announcement of the ultimate generalization of science and a solution to popular problems in religion and philosophy (Broadway Publ. Co., 1910), by James Mark Baldwin (page images at HathiTrust)
- Ein Denkmal nebst Fragmenten des Verstorbenen. (T. F. Sartotius, 1791), by Johann Heinrich Vogt (page images at HathiTrust)
- Elements of physical and moral philosophy (J.P. Mendum, 1846), by T. Simmons Mackintosh (page images at HathiTrust)
- Gesammtcursus der philosophie. (O.R. Reisland, 1894), by E. Dühring (page images at HathiTrust)
- Opere : dell'abate (Stabilimento Tip. e. ca.c. de c. Batelli e comp., 1842), by Antonio Rosmini (page images at HathiTrust)
- Institutiones philosophicae : quas Romae in Pontificia Universitate Gregoriana. (Cuesta, 1899), by Juan José Urráburu (page images at HathiTrust; US access only)
- Universalphilosophische vorlesungen für gebildete beiderlei geschlechts. (Orla, 1831), by Wilhelm Traugott Krug (page images at HathiTrust)
- Oeuvres de Blaise Pascal. (Detune, 1779), by Blaise Pascal and Charles Bossut (page images at HathiTrust)
- Opere scelte (Societa Tipografica de' classici Italiani, 1836), by Giacinto Sigismondo Gerdil (page images at HathiTrust)
- Essays on the powers of the human mind; to which are prefixed an essay on quantity, and an analysis of Aristotle's logic. (Printed for Bell & Bradfute, 1819), by Thomas Reid (page images at HathiTrust)
- Essays on the powers of the human mind: to which are prefixed, An essay on quantity, and an analysis of Aristotle's logic. (Printed for Bell & Bradfute, sold by F. C. & J. Rivington, Longman, J. Murray, and T. Hamilton, London, 1812), by Thomas Reid (page images at HathiTrust)
- Die Fundamentalphilosophie in genetischer Entwicklung : mit besonderer Rücksicht auf die Geschichte jedes einzelnen Problems (Verlags-Expedition, 1848), by J. F. I. Tafel (page images at HathiTrust)
- The physical system of St. Thomas. (Art and Book Co., 1893), by Giovanni Maria Cornoldi and Edward Heneage Dering (page images at HathiTrust)
- The works of John Locke ... (Printed for A. Bettesworth [etc.], 1727), by John Locke (page images at HathiTrust)
- Lehrbuch der philosophie (F. Kirchheim, 1881), by Albert Stöckl (page images at HathiTrust)
- Gesammelte kleine philosophische Schriften welche besonders zu der Natur-lehre und den damit verwandten Wissenschaften nehmlich der Mees- und Arzney-kunst gehoren. (Halle, 1736), by Christian Wolff (page images at HathiTrust; US access only)
- Geschichte der Philosophie seit Kant. 1. Philosophischen Entwicklung in der alten und mittleren Zeit. (Breslau, 1842), by C. J. Braniss (page images at HathiTrust)
- Soi︠u︡z: opyt nauki pavnodi︠e︡ĭstvui︠u︡shcheĭ. (Naumburg, 1869), by P. Solovkin (page images at HathiTrust)
- Origin, progress & present condition of philosophy. (R.W. Roberts, 1843), by Increase N. Tarbox (page images at HathiTrust)
- Élet. (Trattner és Károlyi, 1832), by János Udvardy (page images at HathiTrust)
- Die Philosophie in der Gegenwart : Realismus und idealismus (O. Wigand, 1876), by Karl Grün (page images at HathiTrust)
- Fundamentalphilosophie oder urwissenschaftliche Grundlehre. (In der Darnmann'schen Buchhandlung, 1819), by Wilhelm Traugott Krug (page images at HathiTrust)
- Abriss des Systemes der Philosophie (O. Schulze, 1886), by Karl Christian Friedrich Krause, Aug. Wünsche, and Paul Hohlfeld (page images at HathiTrust)
- Conseils d'enseignement, de philosophie et de politique ... (Paris, 1879), by Ernest Bersot (page images at HathiTrust)
- Lehrbuch zur Einleitung in die Philosophie. (bey August Wilhelm Unger, 1821), by Johann Friedrich Herbart (page images at HathiTrust)
- Die Ursachen des Verfalls der Philosophie in alter und neuer Zeit (Wigand, 1892), by Gideon Spicker (page images at HathiTrust)
- Der Allgeist; Grundzüge des Panpsychismus im Anschluss an die Philosophie des Unbewussten. (Berlin, 1874), by Moritz Venetianer (page images at HathiTrust)
- Gedanken und Thatsachen; philosophische Abhandlungen, Aphorismen und Studien. (Strassburg, 1882), by Otto Liebmann (page images at HathiTrust; US access only)
- Ueber philosophische Tradition; eine akademische Antrittsrede gehalten in der Aula der Universität Jena am 9. December 1882. (K. J. Trübner, 1883), by Otto Liebmann (page images at HathiTrust)
- Institutiones philosophicae P. Matthaei Liberatore. (Befani, 1872), by Mattheus Liberatore (page images at HathiTrust)
- Genealogia della ragione filosofica, ossia Ricerche analitiche sulla origine ed obbieto della filosofia. (Stamperia Minasi, 1845), by A. Maugeri (page images at HathiTrust)
- Institutionum philosophicarum : ad usum juventutis præsertimque seminariorum. (Gaunthier frères et C.ie, 1827), by Joseph Valla and Jean Marie Doney (page images at HathiTrust)
- Philosophia vetus et nova ad usum scholæ accommodata, in regia Burgundia olim pertractata (apud G. Gallet, 1700), by Jean-Baptiste Du Hamel (page images at HathiTrust)
- Corso elementare di filosofia. (Milano, 1893), by Carlo Cantoni (page images at HathiTrust)
- Der Kampf zweier Weltanschauungen : eine Kritik der altern und neuesten Philosophie mit Einschluss der christlichen Offenbarung (F. Frommann, 1898), by Gideon Spicker (page images at HathiTrust; US access only)
- Saggi filosofici. (Stab. tipografico del prof. V. Morano, 1885), by Giuseppe Tarantino (page images at HathiTrust)
- Proshedshee filosofīi; opyt so︠t︡sīologicheskago izsli︠e︡dovanī︠ia︡ obshchikh zakonov razvitī︠ia︡ filosofskoĭ mysli. (Tip. V.V. Islenʹeva, 1887), by E. de Roberty (page images at HathiTrust)
- Vermischte Abhandlungen aus der theoretischen und praktischen Philosophie (Abel & Müller, 1897), by Ludwig Strümpell (page images at HathiTrust)
- Welt und Weltzeiten : eine Philosophie des Lebendigen und der That (F.A. Brockhaus, 1872), by H. K. Hugo Delff (page images at HathiTrust)
- Bévezetés a' philosophiára; vagy is: a' propaedeutica. (A' Magyar Kir. Egyetem' betüivel, 1836), by György Fejér (page images at HathiTrust)
- Beyträge zur Berichtigung bisheriger Missverständnisse der Philosophen (bey Johann Michael Mauke, 1790), by Karl Leonhard Reinhold (page images at HathiTrust)
- Anleitung zur Kenntniss und Beurtheilung der Philosophie in ihren sämmtlichen Lehrgebäuden; ein Lehrbuch für Vorlesungen und Handbuck für eigenes Studium. (J.B. Degen, 1805), by Christian Ludolph Reinhold (page images at HathiTrust)
- Wille und Erkenntnis; philosophische Essays. (Hamburg, 1899), by Robert Schellwien (page images at HathiTrust; US access only)
- Thoughts of Blaise Pascal : translated from the French. Preceded by a sketch of his life. (R. Carter, 1850), by Blaise Pascal and Edward Craig (page images at HathiTrust)
- Elementi di Filosofia. ([s.n.], 1850), by Pasquale Galluppi (page images at HathiTrust)
- Religion: a dialogue, and other essays. (S. Sonnenschein & co., 1891), by Arthur Schopenhauer and T. Bailey Saunders (page images at HathiTrust)
- Realistic philosophy : defended in a philosophic series (Charles Scribner's Sons, 1890), by James McCosh (page images at HathiTrust)
- The will to believe, and other essays in popular philosophy (Longmans, Green, 1908), by William James (page images at HathiTrust)
- Gesammelte studien und aufsätze gemeinverständlichen inhalts. (W. Friedrich, 1888), by Eduard von Hartmann (page images at HathiTrust)
- An introduction to philosophy (The Macmillan company, 1908), by George Stuart Fullerton (page images at HathiTrust; US access only)
- Christian philosophy; a treatise on the human soul (Benziger Brothers, 1898), by John T. Driscoll (page images at HathiTrust)
- The living forces of the universe ... the temple and the worshippers ... (Phila., 1866), by George W. Thompson (page images at HathiTrust)
- The octave of life : a study of life's seven ages and the ageless life (The Author, 1901), by Charles Sumner Hoyt (page images at HathiTrust)
- The volitional element in knowledge and belief; and other essays in philosophy and religion (Sherman, French, 1911), by Delo Corydon Grover (page images at HathiTrust)
- Réflexions, morales & politiques (Spineux &cie., 1899), by Émile Théodore Joseph Hubert Banning, Alexis Henri Brialmont, and Ernest Édouard Gossart (page images at HathiTrust; US access only)
- Les Hommes providentiels, ou les révolutionnaires ennemis des révolutions; étude sur l'éducation. (Librairie Chamerot et Lauwereyns, 1866) (page images at HathiTrust)
- Gesammelte Werke. (Fue's Verlag (R. Reisland), 1869), by John Stuart Mill and Theodor Gomperz (page images at HathiTrust)
- ha-Meʾasef : yavoʾu bo shirim u-melitsot niśgeve ha-raʻyon, gam mikhtavom shonim be-śafah neḳiyah ṿe-ḳalah le-toʻelet yalde Yeshurun dorshe leshon ʻEver = Hameasef. Ṿe-nitsmad lo Maʻamar ha-Berur ḥa-filosofi (W. Drukarni Ch. Keltera, 1866), by Yoʾel Mordekhai and Moses Mendelssohn (page images at HathiTrust)
- The metaphysics of nature (A. and C. Black, 1905), by Carveth Read (page images at HathiTrust)
- Johann Gottfried v. Herder's sämmtliche Werke in vierzig Bänden. (J.G. Cotta, 1852), by Johann Gottfried Herder, Jakob Balde, and Karoline Herder (page images at HathiTrust)
- Nietzsche's Werke. (C. G. Naumann, 1899), by Friedrich Wilhelm Nietzsche, Wilhelm Nestle, Otto Crusius, and Ernst Holzer (page images at HathiTrust; US access only)
- Präludien; aufsätze und reden zur philosophie und ihrer geschichte (J. C. B. Mohr (P. Siebeck), 1915), by W. Windelband (page images at HathiTrust; US access only)
- Yesod ha-dat (H. Zultsbakh, 1843), by M. B. Friedenthal (page images at HathiTrust)
- The works of John Locke, esq; in three volumes. The contents of which follow in the next leaf. (Printed for John Churchill and Sam. Manship, 1714), by John Locke (page images at HathiTrust)
- Salomon Maimon's Streifereien im Gebiete der Philosophie : 1. Theil. (W. Vieweg, 1970), by Salomon Maimon (page images at HathiTrust; US access only)
- Examen de la philosophie de Bacon; ou, L'on traite différentes questions de philosophie rationnelle. Suivi de l'ouvrage de Plutarque sur les délais de la justice divine dans la punition des coupables. (Société nationale, 1844), by Joseph Marie Maistre (page images at HathiTrust)
- Aspects of German culture (Kessinger Pub., 2009), by G. Stanley Hall (page images at HathiTrust; US access only)
- Om Gud, idee- og sandseverdenen samt de førstes aabenbarelse i den sidste : Et philosophisk testament tilligemed forfatterens levnet som fortale (C. Grøndahl, 1831), by Niels Treschow (page images at HathiTrust)
- Tide-bog (Gyldendal, 1912), by Knud Sjœllandsfar (page images at HathiTrust; US access only)
- Sancti Thomae Aquinatis, doctoris angelici, Opera omnia (Ex Typographia Polyglotta S.C. de Propaganda Fide, 1882), by Saint Thomas Aquinas and Dominicans (page images at HathiTrust; US access only)
- Valuation : its nature and laws, being an introduction to the general theory of value (S. Sonnenschein & co.,lim. ;, 1909), by Wilbur Marshall Urban (page images at HathiTrust; US access only)
- Mysticism and logic : and other essays (George Allen & Unwin, 1917), by Bertrand Russell (page images at HathiTrust; US access only)
- Johann Gottfried von Herder's Sämmtliche Werke ... (In der C. Haas'schen Buchhandlung, 1813), by Johann Gottfried Herder, Karoline Herder, Jakob Balde, J. Georg Müller, Johannes von Müller, Christian Gottlob Heyne, and Wilhelm Gottfried von Herder (page images at HathiTrust)
- Dal rinnovamento della filosofia antica italiana libro uno del c. T. Mamiani della Rovere. 3. ed. con correzioni e notabili cambiamenti dell'autore, aggiuntovi alcune note di romagnosi intorno a Bacone e Galilei ed un appendice contenente le osservazioni ed il giudizio di alcuni dotti italiani. (Ricordi, 1836), by Terenzio Mamiani della Rovere (page images at HathiTrust)
- Phädon, oder Über die Unsterblichkeit der Seele. Von Moses Mendelssohn. 3. Etui-Ausg. (bei F. W. Forstmann, 1817), by Moses Mendelssohn (page images at HathiTrust)
- Acta Societatis Litterarum Humaniorum Regiae Upsaliensis (Almqvist & Wiksell, 1890), by K. Humanistiska vetenskapssamfundet i Uppsala (page images at HathiTrust; US access only)
- Illustrations of universal progress; a series of discussions. (D. Appleton, 1867), by Herbert Spencer (page images at HathiTrust)
- The works of Francis Bacon, Lord Chancellor of England. (Carey and Hart, 1842), by Francis Bacon (page images at HathiTrust)
- Ouvrages inédits d'Abelard pour servir a l'histoire de la philosophie scholastique en France publiés (Imprimerie royale, 1836), by Peter Abelard and Victor Cousin (page images at HathiTrust)
- Essays and treatises on several subjects (Printed for A. Millar; and A. Kincaid and A. Donaldson, at Edinburgh, 1758), by David Hume (page images at HathiTrust)
- Studies of nature; translated from the French of J.H.B. De St. Pierre, carefully abridged ... (Printed by J.D. Dewick ... for T. Lovewell, 1803), by Bernardin de Saint-Pierre and Leman Thomas Rede (page images at HathiTrust)
- Christelige taler. ([Gyldendal?], 1862), by Søren Kierkegaard (page images at HathiTrust)
- Les philosophes du moyen âge. Textes & études. (Louvain, 1902) (page images at HathiTrust; US access only)
- Psycho-harmonial philosophy. [Based upon the musical scale] (Harmonial pub. co., 1910), by P. Pearson (page images at HathiTrust)
- The positive outcome of philosophy ; The nature of human brain work ; Letters on logic ; The positive outcome of philosophy (Charles H. Kerr, 1906), by Joseph Dietzgen, Joseph Dietzgen, Eugen Dietzgen, and Ernest Untermann (page images at HathiTrust)
- Scritti e lettere (U. Hoepli, 1910), by Cesare Beccaria and Eugenio Landry (page images at HathiTrust; US access only)
- Also sprach Zarathustra : ein Büch für Alle und Keinen. (C.G. Naumann Verlag, 1907), by Friedrich Wilhelm Nietzsche (page images at HathiTrust; US access only)
- Filosofīi︠a︡ Nit︠s︡she : kriticheskīĭ ocherk (I.N. Kushnerev, 1904), by E. N. Trubet︠s︡koĭ (page images at HathiTrust; US access only)
- Metaphysical essays: containing the principles and fundamental objects of that science. (Payne and Mackinlay, 1809), by Richard Kirwan (page images at HathiTrust)
- Bibliotheca technologica: or, a philological library of literary arts and sciences. [Twenty-eight lines] (Printed by S. Idle for John Noon, 1737), by Benjamin Martin (page images at HathiTrust)
- T. Lucretii Cari de rerum natura libri sex, ad fidem codicis canoniciani nunc primum emendati. (J.H. Parker, 1852), by Titus Lucretius Carus (page images at HathiTrust)
- Die natur und wir. Leichtverständliche aufzeichnungen. ([s.n.], 1907), by J. Reinke (page images at HathiTrust; US access only)
- The philosophy of life, and philosophy of language, in a course of lectures (H. G. Bohn, 1847), by Friedrich von Schlegel and Alexander James William Morrison (page images at HathiTrust)
- Schlegel's Philosophy of language (Harper & brothers, 1848), by Friedrich von Schlegel and A. J. W. Morrison (page images at HathiTrust)
- Vocabulary of philosophy : psychological, ethical, metaphysical, with quotations and references (Scribner and Welford, 1890), by William Fleming and Henry Calderwood (page images at HathiTrust)
- Introduction to philosophy: an inquiry after a rational system of scientific principles in their relation to ultimate reality (T. Fisher Unwin, 1891), by George Trumbull Ladd (page images at HathiTrust)
- Histoire et philosophie : études accompagnées de pièces inédites (Didier, 1860), by Jean-Félix Nourrisson (page images at HathiTrust)
- Essais de philosophie générale. Cours de philosophie. (Ch. Delagrave, 1902), by Charles Dunan (page images at HathiTrust; US access only)
- Om den indbyrdes underviisnings vaesen og vaerd (Trykt hos A. Seidelin, 1821), by Peder Hans Mønster and Joseph Nicolai Benjamin Abrahamson (page images at HathiTrust)
- Ideale Lebensziele : Kritisches, Geschichtliches und Filosofisches (C.G. Naumann, 1901), by Adalbert Victor Svoboda (page images at HathiTrust; US access only)
- Maximi Tyrii Dissertationes (Impensis Gotth. Theoph. Georgi., 1774), by of Tyre Maximus, Johann Jacob Reiske, Jeremiah Markland, and John Davis (page images at HathiTrust)
- Puppets : a work-a-day philosophy (Macmillan, 1911), by George Forbes (page images at HathiTrust)
- Lecciones de filosofía (Imprimeso [!] por G.F. Bunce, 1832), by Félix Varela (page images at HathiTrust)
- Knowledge, duty, and faith : suggestions for the study of principles taught by typical thinkers ancient and modern (K. Paul, Trench, Trübner, 1896), by Thomas Dyke Acland (page images at HathiTrust)
- Influence of physical research on mental philosophy (Adam and Charles Black, 1839), by James Bell (page images at HathiTrust)
- Aids to reflection (William Pickering, 1839), by Samuel Taylor Coleridge, James Marsh, and Henry Nelson Coleridge (page images at HathiTrust)
- Grundlage der gesammten Wissenschaftslehre : und Grundriss Eigenthümlichen der Wissenschaftlehre in Rüksicht auf das theoretische Vermögen. (Cotta, 1802), by Johann Gottlieb Fichte (page images at HathiTrust)
- Wirklichkeiten : Beiträge zum Weltverständnis (E. Felber, 1900), by Kurd Lasswitz (page images at HathiTrust; US access only)
- Nervosität und Weltanschauung; Studien zur seelischen Behandlung Nervöser, nebst einer kurzen Theorie vom Wollen und Können. (Salle, 1905), by J. Marcinowski (page images at HathiTrust; US access only)
- Philosophische Zeitfragen : populäre Aufsätze (A. Marcus, 1870), by Juergen Bona Meyer (page images at HathiTrust)
- Philosophical fragments, written during intervals of business. (Longmans & co., 1878), by J. D. Morell (page images at HathiTrust)
- Discussions on philosophy and literature, education and university reform. Chiefly from the Edinburgh review; cor., vindicated, enl., in notes and appendices. (Harper & brothers, 1853), by William Hamilton and Robert Turnbull (page images at HathiTrust)
- Philosophical essays; to which are subjoined, copious notes, critical and explanatory, and a supplementary narrative; with an appendix. (J. Conrad, 1816), by James Ogilvie (page images at HathiTrust)
- Jens Baggesen's philosophischer nachlass. (F. Schulthess;, 1958), by Jens Baggesen and Carl A. Reinhold Baggesen (page images at HathiTrust; US access only)
- Saggi filosofici. (Firenze, 1863), by Ferdinando Benvenuti (page images at HathiTrust)
- Einleitung in die Philosophie (Braumüller, 1899), by Wilhelm Jerusalem (page images at HathiTrust; US access only)
- Parerga und Paralipomena : kleine philosophische Schriften (A.W. Hahn, 1851), by Arthur Schopenhauer (page images at HathiTrust)
- Principles of a system of philosophy, in accordance with which it is sought to reconcile the more difficult questions of metaphysics and religion with themselves, and with the sciences and common sense. (Carlton & Lanahan;, 1870), by Austin Bierbower (page images at HathiTrust)
- Essays : scientific, political, and speculative. (Second series) (D. Appleton, 1864), by Herbert Spencer (page images at HathiTrust)
- The great problems (Macmillan, 1914), by Bernardino Varisco and R. C. Lodge (page images at HathiTrust)
- Oeuvres de Dugald Stewart. (Librairie philosophique, 1829), by Dugald Stewart (page images at HathiTrust)
- Einleitung in die philosophie (W. Engelmann, 1901), by Wilhelm Max Wundt (page images at HathiTrust; US access only)
- Philosophische propaedeutik (W. Braumüller, 1860), by Robert Zimmermann (page images at HathiTrust)
- The light of nature pursued. (Hilliard and Brown ;, 1831), by Abraham Tucker and Henry Paulet St. John Mildmay (page images at HathiTrust)
- Lecciones de filosofia (Impr. de Stavely y Bringhurst, 1824), by Félix Varela (page images at HathiTrust)
- Die Socratische Schule; oder, Philosophie für das neunzehnte Jahrhundert. (F. Enke, 1838), by Philip Willem van Heusde and Johann Leutbecher (page images at HathiTrust)
- Essays and treatises on several subjects. (Printed for A. Millar, 1753), by David Hume (page images at HathiTrust)
- The world of mind, an elementary book. (Harper & brothers, 1858), by Isaac Taylor (page images at HathiTrust)
- The elements of intellectual philosophy. (Phillips, Sampson;, 1854), by Francis Wayland (page images at HathiTrust)
- Compendium of Dr. Brown's philosophy of the human mind (Thomas Connolly, 1849), by Thomas Brown and James Parkinson Boyle (page images at HathiTrust)
- Lectures on the philosophy of the human mind. (John Grigg, 1824), by Thomas Brown (page images at HathiTrust)
- New thought lectures (New Thought Publishers ;, 1913), by F. W. Sears (page images at HathiTrust; US access only)
- Aus den Tagebuchblättern des Grafen Alexander Keyserling : philosophische-religiöse Gedanken (J.G. Cotta, 1894), by A. Keyserling, Leo Keyserling, and Helene Taube (page images at HathiTrust)
- Algemeene grondstellingen (S.L. van Looy, 1899), by Herbert Spencer and Th. van Tricht (page images at HathiTrust; US access only)
- The light of nature pursued. (Printed by T. Jones, and sold by T. Payne, 1768), by Abraham Tucker (page images at HathiTrust)
- Der Widerspruch im Wissen und Wesen der Welt. Princip und Einzelbewährung der Realdialektik. (Th. Grieben, 1882), by Julius F. A. Bahnsen (page images at HathiTrust)
- The bible of nature, and substance of virtue. Condensed from the scriptures of eminent cosmians, pantheists and physiphilanthropists, of various ages and climes ... (G. Vale, 1849), by John Stewart (page images at HathiTrust; US access only)
- Recueil de ma vie, mes ouvrages et mes pensées; opuscule philosophique. (Ve A. Stapleaux, 1836), by T. Forster (page images at HathiTrust)
- Sophron and Neologus; or Common sense philosophy. (J. Masters, 1861), by William Gresley (page images at HathiTrust)
- Lydia. Philosophisches Taschenbuch als Seitenstuck zu A. Ruge's "Akademie," (W. Braumüller, 1849), by Anton Günther, Arnold Ruge, and Johann Emanuel Veith (page images at HathiTrust)
- Notions de philosophie (L. Hachette et Cie., 1868), by Charles Jourdain (page images at HathiTrust)
- Sunshine and shadows; or, Sketches of thought, philosophic and religious. (Williams and Norgate, 1877), by William Benton Clulow (page images at HathiTrust)
- Prospero. Poème philosophique. (E. Sanset et Cie., 1907), by Alexandre Cormier (page images at HathiTrust; US access only)
- Thoughts on religion, and other subjects. (H.S. Baynes, 1825), by Blaise Pascal (page images at HathiTrust)
- Studien und Kritiken zur Philosophie und Aesthetik. (W. Braumüller, 1870), by R. A. T. Zimmermann (page images at HathiTrust)
- Relaciones de lo fisico y moral del hombre. Precedidas de una tabla analitica (J. Smith, 1826), by P. J. G. Cabanis (page images at HathiTrust)
- Cours de philosophie. (L. Hachette, 1831), by Jean Philibert Damiron (page images at HathiTrust)
- Metaphysik als Lehre vom Vorbewussten. (J.F. Bergmann, 1897), by Alfons Bilharz (page images at HathiTrust; US access only)
- Deutsche Schriften (Veit und Comp., 1838), by Gottfried Wilhelm Leibniz, Johann Theodor Jablonski, Daniel Ernst Jablonski, and G. E. Guhrauer (page images at HathiTrust)
- Grundideernes Logik. (F. Hegel, 1864), by Rasmus Nielsen (page images at HathiTrust; US access only)
- Religions philosophie. (F. Hegel, 1869), by Rasmus Nielsen (page images at HathiTrust)
- Philosophie spiritualiste de la nature. Introduction à l'histoire des sciences physiques dans l'antiquité. (Dezobry et E. Magdeleine, 1849), by Thomas Henri Martin (page images at HathiTrust)
- Pensées de Pascal (F. Didot, frères, fils & Cie., 1856), by Blaise Pascal (page images at HathiTrust)
- Institutiones philosophiæ theoreticæ in usum prælectionum. (Apud Perisse Fratres, 1852), by Franz Rothenflue (page images at HathiTrust; US access only)
- La grandeur d'ame. (J.F. Bassompierre, 1762), by Louis-Antoine Caraccioli (page images at HathiTrust)
- Die Seelentheorie und die Gesetze des natürlichen Egoismus und der Anpassung. (C. Duncker, 1899), by F. Hanspaul (page images at HathiTrust; US access only)
- Redenkundige bedenkingen over het vermogen van het menschelyke verstand, en het rechte gebruik van dien in de kennisse der waarheid ... (I. Hayman, 1758), by Christian Wolff and John Christoffel von Sprögel (page images at HathiTrust)
- Redeukundige bedenkingen over God, de wereld, en de menschelyke ziele ... (J. Hayman, 1767), by Christian von Wolff and Joan Christoffel van Sprögel (page images at HathiTrust; US access only)
- Logische und philosophische abhandlungen. (Bey dem herausgeber; [etc., etc.], 1782), by Johann Heinrich Lambert, Jean Bernoulli, and Christoph Heinrich Müller (page images at HathiTrust)
- Extraits des grands philosophes (Delagrave, 1877), by Alfred Fouillée (page images at HathiTrust)
- Préludes philosophiques : comprenant: 1⁰ Avenir de la philosophie, 2⁰ Pensées philosophiques sur l'existence et le mouvement de la matière ... (A Paris : à la Librairie française et étrangère de A. Royer, et chez l'auteur, 1841), by Hyacinthe Bélières (page images at HathiTrust)
- La raison. Essai sur l'avenir de la philosophie. (Paris, 1860), by Jules Émile Alaux (page images at HathiTrust)
- Nouvelles considérations sur les rapports du physique et du moral de l'homme. (Hauman et ce., 1841), by Pierre Maine de Biran and Victor Cousin (page images at HathiTrust)
- Elements of intellectual philosophy : designed for a text book and for private reading (Hickling, Swan & Brewer ;, 1853), by Hubbard Winslow (page images at HathiTrust)
- Politique et philosophie (G. Baillière & Cie., 1876), by Frédéric Morin (page images at HathiTrust)
- Father Payne. (G. P. Putnam's sons, 1916), by Arthur Christopher Benson (page images at HathiTrust; US access only)
- Father Payne (Putnam, 1917), by Arthur Christopher Benson (page images at HathiTrust)
- Essays on his own times. (William Pickering, 1850), by Samuel Taylor Coleridge (page images at HathiTrust)
- J.G. v. Herder's sämmtliche Werke. Zur Philosophie und Geschichte. (Büreau der Deutschen Classiker, 1820), by Johann Gottfried Herder (page images at HathiTrust)
- Oeuvres posthumes de d'Alembert. (Charles Pougens, 1799), by Jean Le Rond d' Alembert (page images at HathiTrust)
- The treasure of the humble (Dodd, Mead ;, 1897), by Maurice Maeterlinck (page images at HathiTrust)
- Saggi di filosofia sociale e giuridica (N. Zanichelli, 1906), by Icilio Vanni (page images at HathiTrust; US access only)
- Sociologie absolue : les principes, les lois, les faits, la politique, et l'autorité (Chamuel, 1894), by Jean Hélion (page images at HathiTrust)
- Pantheistic dilemmas and other essays in philosophy amd religion (The Methodist book concern, 1920), by Henry C. Sheldon (page images at HathiTrust)
- Essays on philosophical subjects (Printed for Wogan, Byrne, et al., 1795), by Adam Smith and Dugald Stewart (page images at HathiTrust)
- The discovery of the future (B. W. Huebsch, 1914), by H. G. Wells (page images at HathiTrust)
- An essay towards the theory of the ideal or intelligible world. Design'd for two parts. The first considering it absolutely in it self, and the second in relation to human understanding ... (Printed for S. Manship, 1701), by John Norris (page images at HathiTrust)
- Die moderne Weltschauung und der mensch; sechs öffentliche Vorträge. (G. Fischer, 1906), by Benjamin Vetter and Ernst Haeckel (page images at HathiTrust; US access only)
- Libre philosophie. (G. Baillière, 1868), by Ernest Bersot (page images at HathiTrust)
- Crise de la foi. Trois conférences philosophiques de Saint Etienne du Mont, 1863. (C. Douniol, 1863), by A. Gratry (page images at HathiTrust)
- Aus Natur und Wissenschaft : Studien, Kritiken und Abhandlungen (Theodor Thomas, 1862), by Ludwig Büchner (page images at HathiTrust)
- Philosophische Forschungen; aus dem russischen u bersetzt (O. Potters, 1899), by B. N. Chicherin (page images at HathiTrust; US access only)
- Coleridge's Aids to reflection : with the author's last corrections (Stanford and Swords, 1854), by Samuel Taylor Coleridge, John McVickar, and Henry Nelson Coleridge (page images at HathiTrust)
- Viljan till tro och andra essayer (H. Geber, 1908), by William James and August Carr (page images at HathiTrust; US access only)
- Der Wille zum Glauben : und andere popularphilosophische Essays (Fr. Frommanns Verlag (E. Hauff), 1899), by William James (page images at HathiTrust; US access only)
- Essays in common-sense philosophy (Harcourt, Brace and Howe, 1920), by C. E. M. Joad (page images at HathiTrust)
- Philosophenwege; ausblicke und rückblicke. (R. Gaertner, 1901), by Karl Joël (page images at HathiTrust; US access only)
- Some popular philosophy (S. Sonnenschein & co., ltd., 1903), by George H. Long (page images at HathiTrust; US access only)
- Outline of Sir William Henry Hamilton's philosophy. (Gould and Lincoln;, 1870), by John Clark Murray and William Hamilton (page images at HathiTrust)
- Science and humanity : or, A plea for the superiority of spirit over matter. (Hodder and Stoughton, 1872), by Noah Porter (page images at HathiTrust)
- The complex vision (Dodd, Mead and Company, 1920), by John Cowper Powys (page images at HathiTrust)
- Esprit de Leibniz : ou, Recueil de pensée choisies, sur la religion, la morale, l'histoire, la philosophie, &c. extraites de toutes ses œuvres latines et françoises. (Chez J.-M. Bruyset, 1772), by Gottfried Wilhelm Leibniz (page images at HathiTrust)
- Oeuvres de Leibniz. (Charpentier, 1846), by Gottfried Wilhelm Leibniz and Amédée Florent Jacques (page images at HathiTrust)
- Lehrbuch der philosophischen Wissenschaften nach einem neuen System entworfen. (J. F. Röwer, 1813), by Friedrich Bouterwek (page images at HathiTrust)
- Einleitung in die Philosophie (W. Hertz, 1901), by Friedrich Paulsen (page images at HathiTrust; US access only)
- Werke. (Modes und Baumann, 1838), by Immanuel Kant (page images at HathiTrust)
- Oeuvres philosophiques de m. F. Hemsterhuis. (H. J. Jansen, 1792), by François Hemsterhuis and Friedrich Heinrich Jacobi (page images at HathiTrust)
- Los vom materialismus! Bekenntnisse eines alten naturwissenschaftlers. (C. Winter, 1906), by Adolf Mayer (page images at HathiTrust; US access only)
- Fragmens philosophiques. (Paris, 1833), by Victor Cousin (page images at HathiTrust)
- Intellect, the emotions, and the moral nature. (T. Constable and Co., 1855), by William Lyall (page images at HathiTrust)
- Die fröhliche Wissenschaft : ("la gaya Scienza") (E. W. Fritzsch, 1887), by Friedrich Wilhelm Nietzsche (page images at HathiTrust)
- Essays on the powers of the human mind; to which are added, An essay on quantity, and An analysis of Aristotle's logic ... (T. Tegg; [etc., etc.], 1827), by Thomas Reid (page images at HathiTrust)
- The elements of intellectual philosophy. (Phillips, Sampson and company;, 1859), by Francis Wayland (page images at HathiTrust)
- Philosophische aufsȧze (G. Lowe, 1789), by J. Georg Müller (page images at HathiTrust)
- Nödiga förnufts-öfningar, at lära kenna thet sundas wägar och thet osundas felsteg. Andra uplaget, ökt med siette delen, som nu är i ordningen then femte ... (P. Pilecan, 1737), by Andreas Rydelius (page images at HathiTrust)
- Résumé et appréciation des principales questions qui se rapportent aux doctrines matérialiste et spiritualiste. (Soc. des livres réligieux, 1868), by A. Sahler (page images at HathiTrust)
- Quid est veritas? Ein Buch über die Probleme des Daseins. (Ernst Hofmann & Co., 1907), by Robert Saitschick (page images at HathiTrust; US access only)
- De philosophia veterum Ictorum. (Franequrae, 1767), by Jacobus Terpstra (page images at HathiTrust)
- Aristoteles' Werke; griechisch und deutsch und mit sacher Klaerenden Anmerkungen. (W. Engelmann, 1853), by Aristotle (page images at HathiTrust; US access only)
- Discours sur la saine philosphie, pour être annexé au Livre du progrès; ou, Des destinées de l'humanité sur la terre, suite de la Démonstration des erreurs des sciences. (Contant Laguerre, 1868), by François Alliot (page images at HathiTrust)
- Réflexions. (P. Dupont, 1908), by François Dujardin-Beaumetz (page images at HathiTrust; US access only)
- Recueil de ma vie, mes ouvrages et mes pensées. Opuscule philosophique. (Ve A. Stapleaux, 1837), by T. Forster (page images at HathiTrust)
- Fra menzogne e conflitti. (Fratelli Tosolini, 1898), by Fermando Franzolini (page images at HathiTrust; US access only)
- Logic and other nonsense (T. Fisher Unwin, 1895), by J. D. McCrossan (page images at HathiTrust)
- Heures de philosophie. (Perrin & Cie, 1900), by Octave Pirmez (page images at HathiTrust; US access only)
- Nouveaux principes de sciences naturelles, surnaturelles et administratives d'après une méthode complétement inconnue à l'humanité (Librairie Cassier, 1879), by Michel Bérard (page images at HathiTrust)
- Kritik der reinen Vernunft. (L. Voss, 1880), by Immanuel Kant and Benno Erdmann (page images at HathiTrust)
- Élémens d'idéologie. (Mme. Levi, 1825), by Antoine Louis Claude Destutt de Tracy (page images at HathiTrust; US access only)
- Vorlesungen über die Methode des academischen Studium. (J.G. Cotta, 1830), by Frederick Wilhelm Joseph von Schelling (page images at HathiTrust)
- Essays in philosophy. (W. Blackwood & Sons, 1889), by John Veitch (page images at HathiTrust)
- Christenthum und Materialismus, Geist und Stoff. Eine Darstellung der Naturforschung und des Kulturlebens in ihren neuesten Ergebnissen. (O. Purfürst, 1866), by Karl Loeffler (page images at HathiTrust)
- Baruch de Spinoza: Sämtliche philosophische Werke. (Dürr, 1907), by Benedictus de Spinoza, C. Schaarschmidt, J. H. von Kirchmann, Carl Gebhardt, Artur Buchenau, and Otto Baensch (page images at HathiTrust; US access only)
- Ueber die vierfache Wurzel des Satzes vom zureichenden Grunde. Eine philosophische Abhandlung. (J.C. Hermann, 1846), by Arthur Schopenhauer (page images at HathiTrust)
- I. Kant's sämmtliche Werke. (L. Voss, 1838), by Immanuel Kant (page images at HathiTrust; US access only)
- Die speculative Theologie oder allgemeine Religionslehre. (J.C.B. Mohr, 1846), by Johann Gottlieb Fichte (page images at HathiTrust)
- Instituzioni di filosofia speculativa. (Fizzano, 1871), by Pasquale Cacace (page images at HathiTrust; US access only)
- Thoughts on religion and philosophy. (W. Collins, 1838), by Blaise Pascal and Nkosi Ajanaku (page images at HathiTrust)
- Ketzereien. Keimzellen einer Philosophie. (F. Schledt, 1906), by Julian Prorók (page images at HathiTrust; US access only)
- L'organizzazione della conoscenza; saggio di filosofia pratica. (Stab Tip, "Domenico Natalucci,", 1898), by Luigi de Bellis (page images at HathiTrust; US access only)
- Philosophy of Sir William Hamilton, bart. : professor of logic and metaphysics in Edinburgh University (D. Appleton, 1866), by William Hamilton and O. W. Wight (page images at HathiTrust)
- Beyträge zur Philosophie des Herzens (bey C. Salfeld, 1814), by Gustav Anton Seckendorff (page images at HathiTrust)
- Dialogi selecti (E Libraria Nauckiana, 1802), by Plato and Ludwig Friedrich Heindorf (page images at HathiTrust)
- Evidenza, amore e fede, o I criterj della filosofia; discorsi e dialoghi. (F. Le Monnier, 1862), by Augusto Conti (page images at HathiTrust)
- An inquiry into the human mind; on the principles of common sense. (Printed for Bell & Bradfute, and W. Creech, and for T. Cadell jun. and W. Davies, London; by A. Neill, 1801), by Thomas Reid (page images at HathiTrust)
- Essays--scientific, political and speculative (Longman, Brown, Green, Longmans, and Roberts, 1858), by Herbert Spencer (page images at HathiTrust)
- An abridgment of The light of nature pursued (Printed for J. Johnson by T. Bensley, 1807), by Abraham Tucker, Joseph Johnson, and William Hazlitt (page images at HathiTrust)
- Speculativ Kosmologie, med Grundlag til en speculativ Theologie. (J.H. Schultz, 1846), by Frederik Christian Sibbern (page images at HathiTrust)
- Initia philosophiæ ac theologiæ ex Platonicis fontibus ducta sive Procli Diadochi et Olympiodori in Platonis Alcibiadem commentarii. Ex codd. mss. nunc primum Graece editit itemque eiusdem Procli institutionem theologicam integriorem emendatioremque adjecit Fridericus Creuzer. (in officina Broenneriana, 1820), by ca. 410-485 Proclus, Georg Friedrich Creuzer, and the Younger Olympiodorus (page images at HathiTrust; US access only)
- Philosophikai meletai (Hermēs (A. Tzerzakēs), 1864), by Petros Vraïlas-Armenēs (page images at HathiTrust)
- Das Problem und System der Philosophie : Grundzüge zur Philosophie als der Wissenschaft der Wissenschaften : mit besonderem Hinblick auf das System der praktischen Philosophie oder der Ethik (O. Deistung, 1860), by Friedrich Horn (page images at HathiTrust)
- Harmonie. Erklärung dieser Idee ... und Anwendung derselben auf den Menschen in allen Beziehungen ... (In Kommission bey Falter und Sohn [etc.], 1817), by Martin Anton Gebhard (page images at HathiTrust)
- Du vrai, du beau et du bien (Société Belge de Librairie Hauman et Ce, 1840), by Victor Cousin and Adolphe Garnier (page images at HathiTrust)
- Contributions to philosophy, psychology and education. (Macmillan & Co., 1894), by Columbia University (page images at HathiTrust)
- Academical questions (Printed by W. Bulmer, and co., and sold by Cadell and Davies, 1805), by William Drummond, William Bulmer, and Cadell & Davies (page images at HathiTrust)
- New propositions in speculative and practical philosophy (The Memorial press, 1903), by Lysander S. Richards (page images at HathiTrust)
- Ueber die Bildung des Philosophen durch die Geschichte der Philosophie. (Brockhaus, 1817), by Heinrich Ritter (page images at HathiTrust)
- I. Kant's sämmtliche Werke. (L. Voss, 1838), by Immanuel Kant, Friedrich Wilhelm Schubert, and Karl Rosenkranz (page images at HathiTrust)
- Philosophische Abhandlungen. (M. Niemeyer, 1902) (page images at HathiTrust; US access only)
- Herrn Eugen Dühring's Umwälzung der wissenschaft (J.H.W. Dietz nachf. (G.M.b.H.), 1901), by Friedrich Engels (page images at HathiTrust; US access only)
- Über die letzten Dinge (W. Braumüller, 1907), by Otto Weininger (page images at HathiTrust; US access only)
- Essays (F. Meiner, 1913), by Raoul Richter (page images at HathiTrust; US access only)
- Plato et Spinoza philosophi inter se comparati dissertatio inauguralis philosophica quam consensu et auctoritate amplissimi philosophorum ordinis in alma litterarum universitate Friderica Guilelma pro summis in philosophia honoribus rite sibi concedendis die VIII. m. Decembris a. MDCCCXLV. h.l.q.s. publice defendet (Typis Gustavi Schade, 1845), by Carl Max Wilhelm von Schaarschmidt (page images at HathiTrust)
- Plato ein Vorgänger Kants? Kritische Bemerkungen zu P. Natorps "Platos Ideenlehre; eine Einführung in den Idealismus" (B. Kruttke, 1906), by Ernst Hohmann (page images at HathiTrust; US access only)
- Das Leben der Seele in Monographieen über seine Erscheinungen und Gesetze (Heinrich Schindler, 1856), by Moritz Lazarus (page images at HathiTrust)
- Kysymyksiä elämän taisteluissa (Työmiehen Kirjapainossa, 1911), by Emil Altius (page images at HathiTrust)
- Herders sämmtliche Werke (Weidmann, 1877), by Johann Gottfried Herder, Reinhold Steig, Otto Hoffmann, Carl Christian Redlich, Bernhard Suphan, and Jakob Balde (page images at HathiTrust; US access only)
- Opera omnia in sex tomos divisa. Hactenus edita auctor ante obitum recensuit, auxit, illustravit. (sumptibus Lavrentii Anisson & Ioan. Bapt. Devenet, 1658), by Pierre Gassendi (page images at HathiTrust)
- De vitis, dogmatis, et apophthegmatis clarorum philosophorum libri decem (Koehlerus, 1828), by Diogenes Laertius, Isaac Casaubon, Karl Jacobitz, Ambrogio Traversari, and Heinrich Gustav Hübner (page images at HathiTrust)
- Zur Kultur der Seele; gesammelte Aufsätze (J.G. Cotta, 1906), by Heinrich Stein and Friedrich Wilhelm Paul Poske (page images at HathiTrust; US access only)
- Gesammelte Schriften (Reimer, 1902), by Immanuel Kant, Dieter Krallman, Katharina Peters-Holger, Akademie der Wissenschaften der DDR., and Deutsche Akademie der Wissenschaften zu Berlin (page images at HathiTrust; US access only)
- Oeuvres complètes de F. De Lamennais. (Pagnerre, Éditeur, 1844), by Félicité Robert de Lamennais (page images at HathiTrust)
- Columbia University contributions to philosophy and psychology. (Science Press, 1905), by Columbia University (page images at HathiTrust; US access only)
- Der Philosoph für die Welt. (in der Myliussischen Buchhandlung, 1801), by Johann Jacob Engel and Duke University. Library. Jantz Collection. German Americana (page images at HathiTrust)
- Cursus philosophicus in breve collectus (Typographia S. Francisci, 1921), by Zacharias van de Woestyne (page images at HathiTrust; US access only)
- The light of nature pursued (Daly, 1840), by Abraham Tucker and Henry Paulet St. John Mildmay (page images at HathiTrust)
- [Philosophical pamphlets]. (in the 19th century), by Henry Longueville Mansel (page images at HathiTrust; US access only)
- Vom sein und von der seele ... (Töpelmann, 1914), by Walter Kinkel (page images at HathiTrust; US access only)
- Religion und technik in harmonie (J.H. Robolsky, 1914), by Rudolf Hessler (page images at HathiTrust; US access only)
- Encyclopädie der Philosophie. (G. Reimer, 1825), by Christian Kapp (page images at HathiTrust)
- Lehrbuch der philosophie von dr. Albert Stöckl (Kirchheim & co., 1905), by Albert Stöckl and Georg Wohlmuth (page images at HathiTrust; US access only)
- Lecciones de filosofía, explicadas en la Universidad Literaria de Barcelona durante los cursos de 1864-65 y 1867-68 (Impr. Elzeviriana, 1920), by Francisco Javier Llorens y Barba (page images at HathiTrust; US access only)
- Lehrbuch der Philosophie. (Münster, 1896), by Constantin Gutberlet (page images at HathiTrust; US access only)
- Nachalʹnyi͡a osnovanīi͡ai͡a filosofīi. (2-ĭ tip. Snegirevoĭ, 1893), by V. Kudri͡avt͡sev (page images at HathiTrust)
- Briefe über die wichtigsten gegenstände des lebens im geiste der zeit und ihrer bedürfnisse (Jaquet, 1833), by Jos. von Ranson (page images at HathiTrust)
- Institutiones philosophiae theoreticae, in usum praelectionum/ auctore Franc. Rothenflue. (Piller, 1842), by Franciscus Rothenflue (page images at HathiTrust)
- Na dya fronta. (Prometeī, 1910), by V. A. Rudnev (page images at HathiTrust; US access only)
- Einleitung in die philosophie und Encyclopädie der philosophie im grundrisse; oder, Methode des philosophischen studiums (Akademische buchhandlung, 1862), by Gustav Ferdinand Thaulow (page images at HathiTrust)
- Die moderne Weltanschauung und der Mensch. Sechs öffentliche Vorträge (G. Fischer, 1903), by Benjamin Vetter and Ernst Heinrich Philipp August Haeckel (page images at HathiTrust; US access only)
- Moralistes et philosophes (Didier, 1874), by Adolphe Franck (page images at HathiTrust)
- Immanuel Kants populäre Schriften (Deutsche Bibliothek, 1914), by Immanuel Kant and Ernst von Aster (page images at HathiTrust; US access only)
- Le point de départ de la métaphysique : leçons sur le développement historique et théorique du problème de la connaissance (C. Beyaert, 1922), by Joseph Maréchal (page images at HathiTrust; US access only)
- Logic (Longmans, Green, 1889), by Richard F. Clarke (page images at HathiTrust)
- Die sinnenwelt und ideenwelt (A.W. Zickfeldt, 1914), by Goswin Uphues (page images at HathiTrust; US access only)
- Die Wissenschaften der praktischen Philosophie im Grundrisse (F. Mauke, 1837), by Ernst Reinhold (page images at HathiTrust)
- Vermischte philosophische schriften (Weygandschen buchhandlung, 1775), by C. Meiners (page images at HathiTrust)
- Philosophieals Tat. (O. Hapke, 1914), by Theodor Lessing (page images at HathiTrust; US access only)
- Einleitung in die Philosophie. (W. Hertz, 1898), by Friedrich Paulsen (page images at HathiTrust; US access only)
- Grundzüge der praktischen Philosophie; Diktate aus den Vorlasungen. (S. Hirzel, 1899), by Hermann Lotze (page images at HathiTrust; US access only)
- Lehrbuch der philosophisch propädeutischen Psychologie und der formalen Logik (F. Mauke, 1839), by Ernst Christian Gottlieb Reinhold (page images at HathiTrust)
- Einleitung in die philosophie (W. Engelmann, 1902), by Wilhelm Max Wundt (page images at HathiTrust; US access only)
- Lehrbuch der theoretischen philosophie nach den grundsätzen der absoluten identitätslehre für akademische vorlesungen ... (Duyle, 1811), by I. Thanner (page images at HathiTrust)
- Zur neuen Lehre : Betrachtungen (Heidelberg, 1888), by Helene von Druskowitz (page images at HathiTrust)
- Sochinenīi︢a︡ Platona / perevedennyi︢a︡ s grecheskago i obʺi︢a︡snnnyi︢a︡ Karpovym. ([s.n.], 1863), by Plato and V. N. Karpov (page images at HathiTrust)
- La correspondance inédite de L.-C. de Saint Martin : dit le philosophe inconnu, et Kirchberger, baron de Liebistorf ... du 22 mai 1792 jusqu'au 7 novembre 1797 (Van Bakckenes et Cie ... ;, 1862), by Louis-Claude de Saint-Martin, Alphonse Chuquet, L. Schauer de Marckolsheim, and Nicolas Antoine Kirchberger (page images at HathiTrust)
- Handbuch der Philosophie und der philosophischen Literatur (F. A. Brockhaus, 1822), by Wilhelm Traugott Krug (page images at HathiTrust)
- Fest-schrift Sebastian Merkle zu seinem 60. Geburtstage gewidmet von Schülern und Freunden (Schwann, 1922), by Wilhelm Schellberg and Sebastian Markle (page images at HathiTrust; US access only)
- Lectures on the philosophy of the human mind. (Glazier, Masters & co., 1830), by Thomas Brown (page images at HathiTrust)
- Alte und neue Philosophie, oder, Dualismus und Monismus (Bi-Defus ṿe-hotsaʾat Yosef Fisher, 1906), by S. Rubin (page images at HathiTrust; US access only)
- Outline of Sir William Hamilton's philosophy : a textbook for students (Sheldon and Co., 1876), by John Clark Murray and William Hamilton (page images at HathiTrust)
- I massimi problemi di Bernardino Varisco. (Libreria editrice Milanese, 1914), by Bernardino Varisco (page images at HathiTrust; US access only)
- Outlines of philosophy and literature (Daldy, Isbister, 1877), by Alexandre Rodolphe Vinet and J.-F. Astié (page images at HathiTrust)
- Scritti vari (F. Le Monnier, 1922), by Roberto Ardigò and Giovanni Marchesini (page images at HathiTrust; US access only)
- Mebadi-i felsefeden ilm ün-nefs (Matbaa-yı Amire, 1915), by George Fonsegrive and Ahmet Naim (page images at HathiTrust; US access only)
- Bibliothek für philosophie (Heymann, 1911) (page images at HathiTrust; US access only)
- Jahrbuch für Philosophie und spekulative Theologie. (F. Schöningh., 1887) (page images at HathiTrust; US access only)
- Die Psychologie und ihre zentrale Stellung in der Philosophie : eine Einführung in die wissenschaftliche Philosophie (Max Niemeyer, 1914), by Josef Eisenmeier (page images at HathiTrust; US access only)
- Opere edite e inedite del cardinale Giacinto Sigismondo Gerdil .... Nuova collezione ordinata e sopra tutto compitissima. (Tipografia del Diogene, 1853), by Giacinto Sigismondo Gerdil (page images at HathiTrust)
- Otium negotiosum Jenense (Sumptibus Joh. Bielckii, bibliopol. : Literis Wertherianis, 1691), by Johann Andreas Schmid and Johann Baptist Cropheus (page images at HathiTrust)
- Philosophie, morale et politique. Études ... (F. Alcan, 1893), by Jules Émile Alaux (page images at HathiTrust)
- Sechs Vorträge aus dem Gebiete der praktischen Philosophie (Hirzel, 1874), by Julius Baumann (page images at HathiTrust)
- İlm-i mantık. (El-haç Halil Efendi Matbahanesi, 1870), by Mehmet Tahir (page images at HathiTrust)
- Filosofiens forhold til de andre videnskaber ... (Aschehoug & co., 1890), by John Mourly Vold (page images at HathiTrust)
- Philosophische aphorismen ... (Hof, 1849), by Friedrich Riedel (page images at HathiTrust)
- [Die philosophie in verschiedenen schulen.] (Kleinmayr & Bamberg, 1871), by Josef Johann Nejedli (page images at HathiTrust)
- Grund und ursache; versuch einer empirischen darstellung der denkvorgänge ... (Wallishausser, 1875), by Franz Raab (page images at HathiTrust)
- Maschine und vernunft ... (Wien, 1876), by Sigmund Gschwandner (page images at HathiTrust)
- De philosophiae principio sive unde philosophandi initium sumendum sit : dissertatio ... (Typis Gustavi Schade, 1847), by Theodor Jacob (page images at HathiTrust)
- Die transszendentale und die psychologische methode. (Dürr, 1900), by Max Scheler (page images at HathiTrust; US access only)
- Philosophische beiträge aus Herbert Spencers autobiographie. (Hubert, 1908), by Albert Emil Heidt (page images at HathiTrust; US access only)
- Descartes' Grundlegung der Philosophie (J. Abel, 1888), by Otto Stock (page images at HathiTrust)
- Die atheisten und gottlosen unserer zeit (P. Reclam jun., 1844), by Friedrich von Sallet (page images at HathiTrust)
- Opera quae extant omnia...emendata studio atque industria J. Gulielmi & J. Gruteri, additis eorum notis..nunc...recognita ab J. Gronovio... (Apud P. Van der Aa, 1692), by Marcus Tullius Cicero, Jacobus Gronovius, Janus Gruterus, and Janus Gulielmus (page images at HathiTrust)
- Lumen. (C. Marpon & E. Flammarion, 1887), by Camille Flammarion (page images at HathiTrust)
- Cours de philosophie (Chez L. Hachette, 1836), by Ph. Damiron (page images at HathiTrust)
- Herbarts philosophische Hauptschriften (J. Klinkhardt, 1913), by Johann Friedrich Herbart, Theodor Fritzsch, and O. Flügel (page images at HathiTrust; US access only)
- Kommentar zu Kants "Prolegomena" : eine einführung in die kritische philosophie (Hilfe, 1908), by Max Apel and Immanuel Kant (page images at HathiTrust; US access only)
- Das system der philosophie als exacter wissenschaft, enthaltend logik, naturphilosophie und geistesphilosophie. (Nicolaische verlags-buchhandlung (Stricker), 1876), by Karl Ludwig Michelet (page images at HathiTrust)
- Cours entier de philosophie, ou Systeme general selon les principes de M. Descartes, contenant la logique, la metaphysique, la physique, et la morale. (Aux dépens des Huguetan, 1691), by Pierre-Sylvain Régis (page images at HathiTrust)
- Motivos de Proteo (Editorial Cervantes, 1917), by José Enrique Rodó (page images at HathiTrust; US access only)
- Die Entwicklung des psychologischen zum transscentdentalen Apriori in der neueren Philosophie (Hofbuchdruckerei Brüder Prošek, 1902), by Stoian Tschakaroff (page images at HathiTrust; US access only)
- Über den Einfluss der Philosophie auf die Erfahrungswissenschaften. Akademische Antrittsrede gehalten zu Leipzig am 20. November 1875 (W. Engelmann, 1876), by Wilhelm Max Wundt (page images at HathiTrust)
- Principes philosophiques, politiques et moraux (en Suisse, 1785), by François Rodolphe de Weiss (page images at HathiTrust)
- An inquiry into the human mind, on the principles of common sense (Printed for T. Cadell, (successor to A. Millar) ... and T. Longman ... London; and A. Kincaid and J. Bell, Edinburgh, 1769), by Thomas Reid (page images at HathiTrust)
- Die freiheit der philosophischen forschung in kritischer u. christlicher fassung ... (Herder'sche Verlagshandlung, 1894), by Karl Braig (page images at HathiTrust)
- Allgemeine welt- wahrheit. (Spannagel, 1888), by Eugen von Schaller (page images at HathiTrust)
- Über die theologische grundlage aller philosophischen systeme ... (Mün., 1856), by Ernst von Lasaulx (page images at HathiTrust)
- Course of the history of modern philosophy. (D. Appleton & Co., 1852), by Victor Cousin and O. W. Wight (page images at HathiTrust)
- Hauptprobleme der Philosophie, von Georg Simmel. (G. J. Göschen, 1910), by Georg Simmel (page images at HathiTrust; US access only)
- Søren Kierkegaards samlede værker; udgivne af A. B. Drachmann, J. L. Heiberg og H. O. Lange. 2. udg. (Kjøbenhavn, Gyldendal, 1920-1931., 1920), by Søren Kierkegaard, H. O. Lange, J. L. Heiberg, and A. B. Drachmann (page images at HathiTrust; US access only)
- Fried. V. Schlegel's Sämmtliche Werke. (I. Klang, 1846), by Friedrich von Schlegel (page images at HathiTrust)
- Guesses at truth (Macmillan and Co., 1874), by Julius Charles Hare and Augustus William Hare (page images at HathiTrust)
- Dialogues et fragments philosophiques (Calmann Lévy, 1885), by Ernest Renan (page images at HathiTrust)
- Die bösen Sieben, Essays (Brenner, 1914), by Carl Dallago (page images at HathiTrust; US access only)
- Philosophische Kultur : gesammelte Essais (W. Klinkhardt, 1911), by Georg Simmel (page images at HathiTrust; US access only)
- Darstellung der wichtigsten Wahrheiten der kritischen Philosophie für Uneingeweihte. (W. Oehmigke, 1803), by J. G. C. C. Kiesewetter (page images at HathiTrust)
- Philosophische abhandlungen, grösstentheils vorgelesen in der Königl. akademie der wissenschaften zu Berlin ... (Berlin, 1808), by Friedrich Nicolai (page images at HathiTrust; US access only)
- Also sprach Zarathustra (Dürr, 1910), by Friedrich Wilhelm Nietzsche and Hans Weichelt (page images at HathiTrust; US access only)
- Rukovodstvo k izuchenīi͡u filosofīi : Filosofīi͡a v ei͡a sushchestvi͡e, znachenīi i istorīi : Tom I (Tip. Imp. universiteta Sv. Vladimira, 1916), by A. N. Gili͡arov (page images at HathiTrust; US access only)
- Frühere noch nicht gesammelte kleine Schriften. (Linz, 1795), by Immanuel Kant (page images at HathiTrust)
- Die Gemeinschaft der Einsamen. Eine Huldigung dem Christentum in seinen genien Platon, Franziskus, Richard Wagner, Friedrich Nietzsche ... (E. Diederichs, 1919), by Karl Zimmermann (page images at HathiTrust; US access only)
- Du juste milieu (L. Cerf, 1910), by Georges de Tollemonde (page images at HathiTrust; US access only)
- Vid. sel. hist. og philos. afh. (Popps bogtrykkerie, 1823), by Kongelige Danske videnskabernes selskab (page images at HathiTrust)
- La morale rationnelle dans ses relations avec la philosophie générale (F. Alcan, 1908), by Albert Leclère (page images at HathiTrust; US access only)
- Compendium philosophiae scholasticae (Razón y Fe, 1900), by Juan José Urráburu and José Maria Ibero (page images at HathiTrust; US access only)
- Journal of the American Akadêmê. (American Akadêmê, 1884), by American Akadêmê (page images at HathiTrust)
- The philosophy of the earth and of man (W. W. Browning, 1898), by Solomon C. Stephens (page images at HathiTrust)
- Essays, scientific, political, and speculative (D. Appleton and company, 1899), by Herbert Spencer and F. Howard Collins (page images at HathiTrust; US access only)
- Gesammelte Schriften (Teubner, 1914), by Wilhelm Dilthey (page images at HathiTrust; US access only)
- Kant's critical philosophy for English readers (Macmillan and co., 1889), by Immanuel Kant, J. H. Bernard, and J. P. Mahaffy (page images at HathiTrust)
- Filosofīi︠a︡ khozi︠a︡ĭstva. ("Putʹ,", 1912), by Sergeĭ Nikolaevich Bulgakov (page images at HathiTrust; US access only)
- Littérature et philosophie mêlées. (L. Hachette et cie., 1868), by Victor Hugo (page images at HathiTrust)
- Abhandlungen zur philosophie und ihrer geschichte (M. Niemeyer, 1893), by Benno Erdmann (page images at HathiTrust; US access only)
- Videnskabsselskabets skrifter. II, Historisk-filosofisk klasse (I kommission hos J. Dybwad, 1894), by Christiania videnskabs-selskab. II--Hist.-filos. klasse (page images at HathiTrust)
- Thesaurus Scientiarum (J. Holzwarth, 1856), by Julius Barasch (page images at HathiTrust)
- Be-rumo shel ʻolam : ḥiḳre lev (M.A. Belinson, 1894), by Zalman Yaʻaḳov Ṿiḥniyansḳi (page images at HathiTrust)
- Metâlib-i âliye (Matbaa-yı Ebüzzıya, 1896), by Bereketzade İsmail Hakkı (page images at HathiTrust)
- ʻEts ha-daʻat : kolel shemot ṿe-tokhen kol ha-ḥokhmot ṿeha-madaʻim le-minehem be-tavnit ʻets ʻim shorashaṿ ṿe-ʻanafaṿ (Yosef Fisher, 1905), by S. Rubin (page images at HathiTrust; US access only)
- Hikmet-i muhtasara (Şeyh Yahya Efendi Matbaası, 1873), by Sait (page images at HathiTrust)
- Proslogium ; Monologium ; an appendix, In behalf of the fool by Gaunilon and Cur Deus homo (Open Court Pub. Co., 1910), by Saint Anselm, Sidney Norton Deane, and 11th cent Gaunilo (page images at HathiTrust)
- Sitzungsberichte der Heidelberger Akademie der Wissenschaften, Stiftung Heinrich Lanz, Philosophisch-historische Klasse (C. Winter, 1910), by Heidelberger Akademie der Wissenschaften. Philosophisch-Historische Klasse (page images at HathiTrust; US access only)
- Det Kongelige Danske videnskabernes selskabs skrifter. Historisk og philosophisk afdeling. (Kiöbenhavn., 1823), by Kongelige Danske videnskabernes selskab (page images at HathiTrust)
- Oeuvres de du Marsais. (De l'impr. de Pougin, 1797), by Dumarsais, Jean Le Rond d' Alembert, Ch. Millon, and Marie-Emile-Guillaume Duchosal (page images at HathiTrust)
- Elements of the philosophy of the human mind. (Printed for T. Cadell, 1814), by Dugald Stewart (page images at HathiTrust)
- Philosophical theories and philosophical experience. (W. Pickering, 1841), by Caroline Frances Cornwallis (page images at HathiTrust)
- Fundamental philosophy : or, elements of primitive philosophy : being the first division of a complete system of philosophical science (W. Skinner, 1848), by Wilhelm Traugott Krug (page images at HathiTrust)
- Felsefe-yi ervah (Yeni Osmanlı Matbaası, 1912), by İsmail Fethi (page images at HathiTrust; US access only)
- Hakikat-i müşrika (Matbaa-yı Âmidi, 1909), by Ahmet Nazif (page images at HathiTrust; US access only)
- Felsefe dersleri (Hukuk Kitapçı, 1914), by İzmirli İsmail Hakkı (page images at HathiTrust; US access only)
- Philosophical arrangements (Printed for F. Wingrave, successor to Mr. Nourse, in the Strand, 1799), by James Harris (page images at HathiTrust)
- Philosophical papers (R. Carter, 1869), by James McCosh (page images at HathiTrust)
- Introduction to philosophy : a handbook for students of psychology, logic, ethics, æesthetics and general philosophy (S. Sonnenschein ;, 1904), by Oswald Külpe, Edward Bradford Titchener, and W. B. Pillsburg (page images at HathiTrust; US access only)
- Einleitung in die Philosophie (B.G. Teubner, 1921), by Hans Cornelius (page images at HathiTrust; US access only)
- Filosofskīĭ sbornik Lʹvu Mikhaĭlovichu Lopatinu : k tridt͡satili͡etīi͡u nauchno-pedagogicheskoĭ di͡ei͡atelʹnosti : ot Moskovskago psikhologicheskago obshchestva, 1881-1911 (Kushnerev, 1912), by E. N. Trubet͡skoĭ (page images at HathiTrust; US access only)
- Freedom of the mind in history (New York, 1923), by Henry Osborn Taylor (page images at HathiTrust; US access only)
- Katechismus der philosophie. (J.J. Weber, 1888), by J. H. von Kirchmann (page images at HathiTrust)
- Die speculativen systeme seit kant und die philosophische aufgabe der gegenwort. (J.A. Barth, 1860), by Carl Hermann Kirchner (page images at HathiTrust)
- System der praktischen Philosophie (August Wilhelm Unzer, 1829), by Wilhelm Traugott Krug (page images at HathiTrust)
- What philosophy is (Williams & Norgate, 1921), by W. Tudor Jones (page images at HathiTrust)
- A first course in philosophy. (H. Holt and company, 1913), by John Edward Russell (page images at HathiTrust)
- Progress in knowledge through love. Baccalaureate sermon of 1893 ([New York, 1893), by Alfred Barry and Columbia University (page images at HathiTrust)
- The alphabet of the universe: notes for a universal philosophy. (Hayman, Christy & Lilly, ltd., 1907), by Gurney Horner (page images at HathiTrust; US access only)
- A first course in philosophy (Henry Holt and company, 1913), by John Edward Russell (page images at HathiTrust)
- A humanitás eszményképei (Globus, 1923), by T. G. Masaryk (page images at HathiTrust; US access only)
- Sieben Bücher vom idealen Egoismus : Grundlinien einer optimistisch skeptischen Weltanschauung. (Literarisches Institut, 1926), by Theodor Hampe (page images at HathiTrust; US access only)
- Einwirkung der philosophie auf die entwicklung der medicin, chirurgie, und pharmacie ... (Zürcher & Furrer, 1850), by Heinrich Karl F. Kohler (page images at HathiTrust)
- ha-Meʾasef : yavoʾu bo shirim u-melitsot niśgeve ha-raʻyon, gam mikhtavom shonim be-śafah neḳiyah ṿe-ḳalah le-toʻelet yalde Yeshurun dorshe leshon ʻEver = Hameasef. Ṿe-nitsmad lo Maʻamar ha-Berur ḥa-filosofi (W. Drukarni Ch. Keltera, 1866), by Yoʾel Mordekhai and Moses Mendelssohn (page images at HathiTrust)
- Initia doctrinae solidioris ... (Fritsch, 1783), by Johann August Ernesti (page images at HathiTrust)
- Reflexioner för dagen. (Lund, 1911), by Hans Larsson (page images at HathiTrust; US access only)
- Nümune-yi hikmet (Vilayet Matbaası, 1894), by Ali Raşit Giridî (page images at HathiTrust)
- Thoughts on life and religion : an aftermath from the writings of the Right Honourable Professor F. Max Müller (A. Constable & co., 1907), by F. Max Müller and Georgina Adelaide Müller (page images at HathiTrust; US access only)
- Gyō no tetsugaku (Iwanami Shoten, 1923), by Tadayoshi Kihira (page images at HathiTrust; US access only)
- Tai xi xue an. (Ming quan, 1903) (page images at HathiTrust; US access only)
- Zur analysis der wirklichkeit. Eine erörterung der grundprobleme der philosophie (K. J. Trübner, 1911), by Otto Liebmann (page images at HathiTrust; US access only)
- Discussions on philosophy and literature, education and university reform. (Longman, Brown, Green and Longman's [etc., etc.], 1853), by William Hamilton (page images at HathiTrust)
- Phédon. Entretiens de Socrate avec ses disciples sur l'immortalité de l'âme. (C. Heideloff, 1830), by Moses Mendelssohn and L. Haussmann (page images at HathiTrust)
- An introduction to philosophy (Doubleday, Doran & Company, Inc., 1933), by David R 1866- Major (page images at HathiTrust)
- Einführung in das philosophische Denken. (Velhagen & Klasing, 1927), by Konrad Albrich (page images at HathiTrust; US access only)
- Rozprawy i artykuły filozoficzne. ("Książnica-Atlas,", 1927), by Kazimierz Twardowski (page images at HathiTrust; US access only)
- Ideály humanitni : několik kapitol (Čin, 1927), by T. G. Masaryk (page images at HathiTrust; US access only)
- Die ideale der humanität. (C. Konegen, 1902), by T. G. Masaryk and Heinrich Herbatschek (page images at HathiTrust; US access only)
- Lettres à Mélisande. ("Le Livre,", 1925), by Julien Benda (page images at HathiTrust; US access only)
- Promenades philosophiques. (Mercvre de France, 1908), by Remy de Gourmont (page images at HathiTrust; US access only)
- Promenades philosophiques. (Mercure de France, 1917), by Remy de Gourmont (page images at HathiTrust; US access only)
- Über die Seele (F. Meiner, 1922), by Aristotle and Adolf Busse (page images at HathiTrust; US access only)
- Einleitung in die Philosophie. Mit einem Anhang: Tabellarische Ubersichten zur Geschichte der Philosophie und ihrer Hauptrichtungen. (A. Kroner, 1920), by Wilhelm Max Wundt (page images at HathiTrust; US access only)
- Introduction to philosophy; a handbook for students of psychology, logic, ethics, aesthetics and general philosophy (G. Allen & Unwin Ltd.;, 1915), by 1862-1915, Edward Bradford Titchener, and Walter Bowers Pillsbury (page images at HathiTrust; US access only)
- The philosophical basis of education (R.G. Badger, 1918), by Rolland Merritt Shreves (page images at HathiTrust)
- The friend: a series of essays to aid in the formation of fixed principles in politics, morals, and religion. (C. Goodrich, 1831), by Samuel Taylor Coleridge (page images at HathiTrust)
- Principes de psychologie individuelle et sociale (Félix Alcan, 1903), by Carlos O. Bunge and Auguste Dietrich (page images at HathiTrust; US access only)
- Œuvres d'histoire naturelle et de philosophie de Charles Bonnet ... (Chez S. Fauche, 1779), by Charles Bonnet (page images at HathiTrust)
- Beiträge zur Psychologie und Philosophie (W. Engelmann, 1905), by Götz Martius (page images at HathiTrust; US access only)
- From evolved beginning (i.e. a hole filling in with gastronomic ingredients) to involved endment (i.e. a whole filled out with anatomic particulars) (Pathescopic Press, 1917), by Henry Davidge Thayer (page images at HathiTrust)
- Philosophical essays on morals, literature, and politics (Published for the editor by Edward Earle, 1817), by David Hume, Edward Earle, Thomas Ewell, and George Campbell (page images at HathiTrust)
- The light of nature pursued (Printed for R. Faulder [etc.], 1805), by Abraham Tucker and Henry Paulet St. John Mildmay (page images at HathiTrust)
- Mélanges de littérature et de philosophie ... (F. Schoell, 1809), by Johann Peter Friedrich Ancillon (page images at HathiTrust)
- Lectures on the philosophy of the human mind (Printed by James Ballantyne and Co. for W. and C. Tait, 1820), by Thomas Brown (page images at HathiTrust)
- Allgemeine practische [sic] Philosophie (J. F. Danckwerts, 1808), by Johann Friedrich Herbart (page images at HathiTrust)
- Metaphysical essays : containing the principles and fundamental objects of that science (Payne and Mackinlay, 1809), by Richard Kirwan (page images at HathiTrust; US access only)
- Sammlung einiger bisher unbekannt gebliebner kleiner Schriften (ben Friedrich Nicolovius, 1800), by Immanuel Kant and Friedrich Theodor Rink (page images at HathiTrust)
- Ausführlicher Entwurff einer vollständigen Historie der Leibnitzischen Philosophie zum Gebrauch seiner Zuhörer (Verlegts Johann Georg Löwe, 1737), by Carl Günther Ludovici, Uhlich, and Heinrich Brühl (page images at HathiTrust)
- Johann Gottfried von Herder's Sammtliche Werke, zur schönen Literatur und Kunst. (Gotta, 1805), by Johann Gottfried Herder and Johannes von Müller (page images at HathiTrust)
- Philosophie foer olaerde : innehaallande laerorika betraktelser oefwer Gud, menniskan och naturen (Johan Lundblad, 1804), by Christian Bastholm (page images at HathiTrust)
- Über die Wissenschaftslehre. (Roch, 1800), by Wilhelm Traugott Krug (page images at HathiTrust)
- Philosophische Schriften (Bei Philipp Krüll, Universitätsbuchhändler, 1809), by Friedrich Wilhelm Joseph von Schelling (page images at HathiTrust)
- Johann Gottfried von Herder's Sammtliche Werke, zur Philosophie und Geschichte. (Cotta, 1805), by Johann Gottfried Herder and Johannes von Müller (page images at HathiTrust)
- Essays and observations, physical and literary. (Edinburgh, 1770), by Philosophical Society of Edinburgh (page images at HathiTrust)
- Opera omnia. (In officina Benedicti Montfort, 1782), by Juan Luis Vives, Francisco Fabian y Fuero, and Gregorio Mayans y Siscar (page images at HathiTrust)
- Monologen; eine Neujahrsgabe. (C.S. Spener, 1800), by Friedrich Schleiermacher (page images at HathiTrust)
- A treatise on the philosophy of the human mind : being the lectures of the late Thomas Brown, M.D.; abridged, and distributed according to the natural divisions of the subject (Hilliard and Brown, 1827), by Thomas Brown and Levi Hedge (page images at HathiTrust)
- Philosophical catechism of the natural laws of man (Marsh, Capen, and Lyon, 1832), by J. G. Spurzheim (page images at HathiTrust)
- A search of truth in the science of the human mind, part first. (S. Potter and Co., 1822), by Frederick Beasley (page images at HathiTrust)
- Johann Gottfried von Herder's sämmtliche Werke ... (J.G. Cotta, 1827), by Johann Gottfried Herder, J. Georg Müller, Johannes von Müller, Christian Gottlob Heyne, Wilhelm Gottfried von Herder, Jakob Balde, and Karoline Herder (page images at HathiTrust)
- Encyclopädie der philosophischen wissenschaften im grundrisse. Zum gebrauch seiner vorlesungen (Oswald (C. F. Winter), 1830), by Georg Wilhelm Friedrich Hegel (page images at HathiTrust)
- Philosophical catechism of the natural laws of man. (Marsh, Capen, and Lyon, 1833), by J. G. Spurzheim (page images at HathiTrust)
- Sketches of the elements of natural philosophy : accompanied with sketches of a new theory of the earth (Sebring, 1826), by John L. E. W. Shecut and U.S. Naval Museum of Hygiene (page images at HathiTrust)
- Lectures on the philosophy of the human mind. (Glazier, Masters & Co., 1831), by Thomas Brown (page images at HathiTrust)
- Vorlesungen über das System der Philosophie. (Göttingen, 1828), by Karl Christian Friedrich Krause (page images at HathiTrust)
- Abriss des Systemes der Philosophie. Ie Abth. (Gött., 1825), by Karl Christian Friedrich Krause (page images at HathiTrust)
- The works of Thomas Reid; with an account of his life and writings (Duyckinck, Collins [and others], 1822), by Thomas Reid and Dugald Stewart (page images at HathiTrust)
- Lifvets philosophi; femton föreläsningar hållna i Wien 1827. (Zacharias Haeggström, 1834), by Friedrich von Schlegel (page images at HathiTrust)
- Zur Einleitung in die Philosophie ... (J.C. Krieger, 1827), by David Theodor August Suabedissen (page images at HathiTrust)
- Über den Begriff der Philosophie. (C. F. Osiander, 1830), by Fr. Fischer (page images at HathiTrust)
- Philosophie der Offenbarung : als Grundlage und Bedingung einer höhern Ausbildung der Theologie (Bei Carl Gläser, 1829), by Bernard Heinrich Blasche (page images at HathiTrust)
- Grundriss einer Philosophie (Jules Renouard u. Comp., 1841), by Félicité Robert de Lamennais (page images at HathiTrust)
- Lectures on moral philosophy : delivered before the Philosophical Association at Edinburgh, in the winter session of 1835-1836. (Marsh, Capen, Lyon, and Webb, 1840), by George Combe (page images at HathiTrust)
- Discussions critiques et pensées diverses sur la religion et la philosophie (Pagnerre, 1841), by Félicité Robert de Lamennais (page images at HathiTrust)
- Metaphysical works of the celebrated Immanuel Kant ([Printed for W. Simpkin and R. Marshall], 1836), by Immanuel Kant, Johann Heinrich Lips, James Hopwood, and John Richardson (page images at HathiTrust)
- Cours de philosophie (Joubert, 1842), by A. Gibon (page images at HathiTrust)
- Schelling und die Offenbarung : Kritik des neuesten Reaktionsversuchs gegen die freier Philosophie. (R. Binder, 1842), by Friedrich Wilhelm Joseph von Schelling (page images at HathiTrust)
- Fundamental-philosophie. (F.A. Gall, 1838), by Franz Xavier Biunde (page images at HathiTrust)
- Der Streit des Naturgesetzes mit dem Zweckbegriffe in den physischen und historischen Wissenschaften : eine Einleitung in das Studium der Philosophie (Tag & Koch, 1845), by Johann Heinrich Koosen (page images at HathiTrust)
- Philosophische und theologische Vorlesungen (Dunker und Humblot, 1838), by Carl Daub (page images at HathiTrust)
- Beiträge zur spekulativen Philosophie von Gott und dem Menschen und von dem Gott-Menschen. (Duncker, 1838), by Karl Friedrich Göschel (page images at HathiTrust)
- Introduction à l'étude de la philosophie (M. Place, 1845), by Vincenzo Gioberti and L. J. Alary (page images at HathiTrust)
- Introduzione allo studio della filosofia. (Stampe di Meline, 1844), by Vincenzo Gioberti (page images at HathiTrust)
- Friedrich Schiller als Mensch, Geschichtschreiber, Denker und Dichter : ein gedrängter Kommentar zu Schiller's sämmtlichen Werken (F.A. Brockhaus, 1844), by Karl Grün (page images at HathiTrust)
- Opere (Batelli, 1842), by Antonio Rosmini (page images at HathiTrust)
- Philosophie des Geistes : oder Encyklopädie der gesammten Geisteslehre. (Heidelberg :, 1835), by Joseph Hillebrand (page images at HathiTrust)
- Studien und kritiken zur theologie und philosophie (Voss, 1840), by Julius Frauenstädt (page images at HathiTrust)
- Études philosophiques. (Ve Marie-Nyon, 1844), by Charles Auguste Mallet (page images at HathiTrust)
- Elementos de la filosofia del espiritu humano (Impr. de la Independencia, 1834), by Ventura Marín (page images at HathiTrust)
- Grundlage der universellen Philosphie (Herder'schen Kunst= und Buchhandlung ;, 1837), by Bronisław Ferdynand Trentowski (page images at HathiTrust)
- Lectures on intellectual philosophy (J. Reid, 1835), by John Young (page images at HathiTrust)
- Kuvant rostit in sala akademikʺ in 9 oktombrie 1838 (In tipografia Albinei, 1838), by P. M. Campeanu (page images at HathiTrust)
- The friend: a series of essays to aid in the formation of fixed principles in politics, morals, and religion, with literary amusements interspersed (Bell& Daldy, 1899), by Samuel Taylor Coleridge (page images at HathiTrust)
- Prohibition victorious: then--what? (Williams Print. Co., 1910), by Henry Hamilton Harwood and Book Traces Project (page images at HathiTrust)
- Outlines of cosmic philosophy, based on the doctrine of evolution, with criticisms on the positive philosophy (Houghton Mifflincompany, 1902), by John Fiske (page images at HathiTrust; US access only)
- Observations on man, his frame, his duty, and his expectations : in two parts, to which ae now first added, paryers and religious meditations, by David Hartley. To the first part are prefixed A sketch of the life and character ... of the author. (Printed by R. Cruttwell and sold by Wilkie and Robinson, 1810), by David Hartley (page images at HathiTrust)
- Lectures on the philosophy of the human mind. (Hallowell, 1848), by Thomas Brown (page images at HathiTrust)
- Philosophy of Sir William Hamilton, bart. (D.Appleton, 1858), by William Hamilton and O. W. Wight (page images at HathiTrust)
- Philosophical discussions. (H. Holt andcompany, 1877), by Chauncey Wright and Charles Eliot Norton (page images at HathiTrust)
- Philosophical meditations; talks to college girls (The Stratford company, 1917), by Haywood Jefferson Pearce (page images at HathiTrust)
- Einleitung in die philosophie (W. Hertz, 1906), by Friedrich Paulsen (page images at HathiTrust; US access only)
- Lessons in scholastic philosophy (P. Reilly, 1915), by Michael W. Shallo (page images at HathiTrust)
- Theism; a survey of the paths that lead to God, chiefly in the light of the history of philosophy (Publishing house of the M. E. church, South, Barbee & Smith, agents, 1901), by Jno. J. Tigert (page images at HathiTrust)
- Elements of logic (Wiley and Putnam, 1844), by Henry Philip Tappan (page images at HathiTrust)
- Elements of logic; together with an introductory view of philosophy in general, and a preliminary view of the reason. (D. Appleton and company, 1871), by Henry Philip Tappan (page images at HathiTrust)
- Le sommeil et les rêves; études psychologiques sur ces phénomènes et les divers états qui s'y rattachent, suivies de recherches sur le développement de l'instinct et de l'intelligence dans leurs rapports avec le phénomène du sommeil (Didier et cie, 1865), by L.-F.-Alfred Maury (page images at HathiTrust)
- Dettati politici, filosofici, statistici, tratti dalle opere minori (Tipografia della Svizzera italiana, 1850), by Melchiorre Gioja (page images at HathiTrust)
- Essays, philosophical and theological (H. Holt, 1883), by James Martineau (page images at HathiTrust)
- The life of reason : or, The phases of human progress (Charles Scribner's Sons, 1911), by George Santayana (page images at HathiTrust)
- Adrastea (Johann Friedrich Hartknoch, 1801), by Johann Gottfried Herder and Wilhelm Gottfried von Herder (page images at HathiTrust)
- Discussions on philosophy and literature, education and university reform : chiefly from the Edinburgh review (Harper & brothers, 1868), by William Hamilton and Robert Turnbull (page images at HathiTrust)
- Studies of good and evil: a series of essays upon problems of philosophy and of life (D. Appleton and company, 1915), by Josiah Royce (page images at HathiTrust; US access only)
- Philosophical discussions (H. Holt and Co., 1877), by Chauncey Wright and Charles Eliot Norton (page images at HathiTrust)
- The elements of intellectual philosophy (Phillips, Sampson and Company, 1856), by Francis Wayland (page images at HathiTrust)
- French and English philosophers : Descartes, Rousseau, Voltaire, Hobbes ; with introductions and notes. (P.F. Collier, 1910), by Thomas Hobbes, Jean-Jacques Rousseau, Voltaire, and René Descartes (page images at HathiTrust)
- Philosophie et littérature (A. Lemerre, 1894), by Alphonse de Lamartine (page images at HathiTrust)
- Essays on philosophical subjects ; to which is prefixed, an account of the life and writings of the author (James Dicker, 1799), by Adam Smith and Dugald Stewart (page images at HathiTrust)
- Essays; philosophical and theological. (W.V. Spencer, 1870), by James Martineau (page images at HathiTrust)
- Essays. Theology and philosophy. (Jas. P. Harrison & Co., 1881), by W. B. Carson (page images at HathiTrust)
- Some problems of philosophy : a beginning of an introduction to philosophy (Longmans, Green, 1916), by William James and Horace Meyer Kallen (page images at HathiTrust)
- Religion: a dialogue, and other essays (S. Sonnenschein & co., limited;, 1910), by Arthur Schopenhauer, T. Bailey Saunders, and Book Traces Project (page images at HathiTrust; US access only)
- The aesthetic letters, essays, and the philosophical letters of Schiller: tr. (C. C. Little and J. Brown, 1845), by Friedrich Schiller and John Weiss (page images at HathiTrust)
- Arthur Schopenhauer's sämmtliche Werke (F.A. Brockhaus, 1908), by Arthur Schopenhauer and Julius Frauenstädt (page images at HathiTrust; US access only)
- Religion: a dialogue, and other essays. (S. Sonnenschein & co., 1893), by Arthur Schopenhauer and T. Bailey Saunders (page images at HathiTrust)
- An examination of Sir William Hamilton's philosophy, and of the principal philosophical questions discussed in his writings. (H. Holt, 1884), by John Stuart Mill (page images at HathiTrust)
- A new theory of vision : and other writings (Dent ;, 1963), by George Berkeley (page images at HathiTrust; US access only)
- Works (Clarendon Press, 1908), by Aristotle, J. A. Smith, and W. D. Ross (page images at HathiTrust; US access only)
- Speculations; essays on humanism and the philosophy of art (K. Paul, Trench, Trubner & co., ltd.;, 1924), by T. E. Hulme and Herbert Read (page images at HathiTrust; US access only)
- On human nature and the understanding; being the complete text of An enquiry concerning human understanding (Collier Books, 1962), by David Hume (page images at HathiTrust)
- The alchemy of thought (Williams and Norgate, 1910), by L. P. Jacks (page images at HathiTrust; US access only)
- Philosophie als Begriffswissenschaft (F. Tempsky, 1884), by Gustav Biedermann (page images at HathiTrust)
- Brevis cursus philosophiae ; juxta systema S. Thomae Aquinatis. (Desclée & socii, 1915), by Antonio Lechert (page images at HathiTrust; US access only)
- Vorlesungen über das Wesen der Philosophie und ihre Bedeutung für Wissenschaft und Leben. (S.G. Liesching, 1836), by Heinrich Schmid (page images at HathiTrust)
- Einleitung in die Philosophie. (W. Engelmann, 1906), by Wilhelm Max Wundt (page images at HathiTrust; US access only)
- Einleitung in die Philosophie. (W. Engelmann, 1909), by Wilhelm Max Wundt (page images at HathiTrust; US access only)
- De philosophie als wetenschap. (Hollandia, 1914), by Paul Carus (page images at HathiTrust; US access only)
- Philosophische Propädeutik (Allgemeine Einleitung in die Philosophie und Anfangsgründe der Logik, Ethik und Psychologie) in Leitsätzen zu akademischen Vorlesungen. (N.G. Elwert, 1909), by Paul Natorp (page images at HathiTrust; US access only)
- Pluralism and theism (G. P. Putnam's Son;, 1911), by James Ward (page images at HathiTrust; US access only)
- Elements of philosophy, comprising logic and ontology or general metaphysics (J. Murphy, 1877), by Walter H. Hill (page images at HathiTrust)
- An examination of Sir William Hamilton's philosophy, and of the principal philosophical questions discussed in his writings (Longmans, Green, Reader, and Dyer, 1867), by John Stuart Mill (page images at HathiTrust)
- A fragment on the human mind (Scribner, 1920), by John Theodore Merz (page images at HathiTrust)
- The historical method in ethics and other essays (University Press; [ect., etc., 1919), by John Handyside (page images at HathiTrust)
- Sanrai. (Chūō Kōron Jigyō Shuppan, 1893), by Chūō Kōron Jigyō Shuppan (page images at HathiTrust)
- Zasady filozofji : dwadziescia cztery tezy tomistyczne. (Poznan, 1925), by Edward Hugon (page images at HathiTrust; US access only)
- Jahrbuch für Philosophie und Phänomenologische Forschung (Halle a.d.S., M. Niemeyer, 1913), by Edmund Husserl (page images at HathiTrust; US access only)
- Grundwissenschaft. (F. Meiner., 1919), by Johannes Rehmke Gesellschaft (page images at HathiTrust; US access only)
- Handbuch der Philosophie (R. Oldenbourg, 1927), by Manfred Schröter and Alfred Baeumler (page images at HathiTrust; US access only)
- Staat und Marxismus; Grundlegung und Kritik der marxistischen Gesellschaftslehre. (J.G. Cotta, 1921), by Friedrich Lenz (page images at HathiTrust; US access only)
- Meditazioni filosofiche inedite (G. Barbèra, 1909), by Vincenzo Gioberti and Edmondo Solmi (page images at HathiTrust; US access only)
- L'Esprit (F. Rieder et cie) (page images at HathiTrust; US access only)
- Annalen der Philosophie und philosophischen Kritik. Beihefte (Leipzig, F. Meiner, 1925) (page images at HathiTrust; US access only)
- Princeton contributions to philosophy (Princeton, N.J., The University Press), by Princeton University (page images at HathiTrust; US access only)
- Berner Studien zur Philosophie und ihre Geschichte (Bern, 1896) (page images at HathiTrust; US access only)
- Beiträge zur philosophie (Heidelberg, C. Winter, 1912) (page images at HathiTrust; US access only)
- Philosophic studies of the University of Chicago ([Chicago, The University of Chicago Press, 1907), by University of Chicago. Dept. of Philosophy and University of Chicago (page images at HathiTrust; US access only)
- Wydawnictwo (Lwów), by Polskie Towarzystwo Filozoficzne (page images at HathiTrust; US access only)
- Rzeczywistosc, poznanie I prawda w dziejach filozofji. (Krakow, 1923), by Andrzej Krzesinski (page images at HathiTrust; US access only)
- Die fröhliche Wissenschaft (Ernst Schmeitzner ;, 1882), by Friedrich Wilhelm Nietzsche (page images at HathiTrust)
- Alexis (J.F. Hartknoch, 1787), by François Hemsterhuis (page images at HathiTrust)
- Discorso (Apresso Francesco Moscheni., 1563), by Mercurio Concorreggio and Francesco Moscheni (page images at HathiTrust)
- The life of reason : or, The phases of human progress. (Scribner, 1933), by George Santayana (page images at HathiTrust)
- Nel 70º anniversario de Roberto Ardigò. (Fratelli Bocca, 1898), by Gaetano Negri, Giovanni Marchesini, Alessandro Groppali, and Roberto Ardigò (page images at HathiTrust; US access only)
- The light of nature pursued (T. Jones, 1768), by Abraham Tucker (page images at HathiTrust)
- Theatrum poeticum atque historicum: : siue Officina Io. Ravisii Textoris, post Conr. Lycosthenis vigilias ad meliorem ordinem redacta, disposita, & innumeris in locis correcta: Cum Cornucopiae libello. Aucta ex Natalis Comitis Mythologiae libris aliquot, et Geofredi Linocerii Vivariens. Mythologiae musarum libello: cum Syntagmate de musis Lilii Gregorii Giraldi Ferrariens . (sumptibus Andreae Cellarii, 1600), by Joannes Ravisius Textor (page images at HathiTrust)
- Accepting the universe, and The light of day (Houghton Mifflin, 1921), by John Burroughs (page images at HathiTrust)
- Filosofická bibliotéka. Řada 2. (Nákl. České akademie věd a umění., in the 20th century), by Česká akademie věd a umění. Třída 1 (page images at HathiTrust; US access only)
- Letters and life of Francis Bacon (Longmans and Co., 1857), by Francis Bacon, William Rawley, Douglas Denon Heath, Robert Leslie Ellis, and James Spedding (page images at HathiTrust)
- Sur les confins de la vie; l'apothéose du dépaysement. (Éditions de la Pléiade, 1927), by Lev Shestov and Boris de Schloezer (page images at HathiTrust; US access only)
- Lectures on the philosophy of the human mind. (Glazier, Masters, 1839), by Thomas Brown (page images at HathiTrust)
- Dissertationis philosophico-criticae, liber I., De sensus utriusque rebus et ideis coniungendis... (Typis Semmlerianis, 1836), by Antonius Sochatzy (page images at HathiTrust)
- Josef Dietzgens sämtliche schriften (Verlag der Dietzgenschen Philosohie, 1911), by Joseph Dietzgen and Eugen Dietzgen (page images at HathiTrust; US access only)
- The works of Thomas Reid : now fully collected, with selections from his unpublished letters. (Maclachlan and Stewart ;, 1992), by Thomas Reid, Dugald Stewart, and William Hamilton (page images at HathiTrust; US access only)
- First principles, by Herbert Spencer. (D. Appleton and Company, 1900), by Herbert Spencer (page images at HathiTrust)
- Vernunft und Offenbarung. Die Widersprüche zwischen Glauben und Wissen. (Moritz Schäfer, 1870), by Karl Wilhelm Kunis (page images at HathiTrust)
- Religion: a dialogue; and other essays. (Macmillan, 1891), by Arthur Schopenhauer and T. Bailey Saunders (page images at HathiTrust)
- Dialogues (A. Lemerre, 1878), by Voltaire and André Lefèvre (page images at HathiTrust)
- Thoughts out of season ; the use and abuse of history ; Schopenhauer as educator V2 (Kessinger Publishing, 2007), by Friedrich Wilhelm Nietzsche and Adrian Collins (page images at HathiTrust; US access only)
- Filosofii︠a︡ zhivogo opyta : populi︠a︡rnye ocherki : materializm, ėmpiriokritit︠s︡izm, dialekticheskiĭ materializm, ėmpiriomonizm, nauka budushchago (Izd. M.I. Semenova, 1913), by A. Bogdanov (page images at HathiTrust; US access only)
- Ot marksizma k idealizmu; sbornik stateĭ, 1896-1903. ("Obshchestvennai︠a︡ polʹza", 1903), by Sergeĭ Nikolaevich Bulgakov (page images at HathiTrust; US access only)
- Scritti di G. Vailati, 1863-1909. (J. A. Barth ;, 1911), by Giovanni Vailati and Orazio M. Premoli (page images at HathiTrust; US access only)
- Les systèmes de philosophie; ou, Les philosophies affirmatives. (F. Alcan, 1909), by Ernest Naville (page images at HathiTrust; US access only)
- Das dynamische Weltbild, Physik und Biologie (J. A. Barth, 1926), by J. Reinke (page images at HathiTrust; US access only)
- Selections (Clarendon Press, 1922), by Francis Bacon, Samuel Rawson Gardiner, Elizabeth Fox Bruce Matheson, P. E. Matheson, and Thomas Babington Macaulay Macaulay (page images at HathiTrust)
- The philosophy of life, an essay ([publisher not identified], 1863), by Robert M. Goodman (page images at HathiTrust)
- Mélanges de littérature, d'histoire, et de philosophie. (Z. Chatelain, 1767), by Jean Le Rond d' Alembert (page images at HathiTrust)
- The centenary movement of thought; an address delivered before the Ohio State University at the commencement held June 19, 1889 (Ohio State University, 1889), by Jacob Gould Schurman (page images at HathiTrust)
- Weltanschauungesfragen (F. Enke, 1918), by Paul Menzer (page images at HathiTrust; US access only)
- Il mondo come volonta' di vita e come volonta' d'antivita. Programma di Bellagio, discorso sul metodo e sull' attuazione della filosofia dell' antivita ... (Casa editrice del Coenobium, 1920), by Silvio Pagani (page images at HathiTrust; US access only)
- Die Sozietätsphilosophie Franz von Baaders: seine Lehren über Geschichte und Gesellschaft, Staat und Kirche ... (H. Laupp Jr., 1901), by Hans Friedrich Reichel (page images at HathiTrust; US access only)
- B. Bolzanos Wissenschaftslehre : Versuch einer ausführlichen und grösstentheils neuen Darstellung der Logik mit steter Rücksicht auf deren bisherige Bearbeiter (F. Meiner, 1914), by Bernard Bolzano (page images at HathiTrust; US access only)
- Gesammelte Schriften (M. Niemeyer, 1916), by Anton Marty, Oskar Kraus, Alfred Kastil, and Josef Eisenmeier (page images at HathiTrust; US access only)
- Psychological review. Philosophical monographs (The Review Publishing Co. [etc.], 1908) (page images at HathiTrust)
- Philosophy (University Press, 1904), by Berkeley University of California (page images at HathiTrust)
- Voĭna i russkoe samosoznanie. (1915), by Sergeĭ Nikolaevich Bulgakov (page images at HathiTrust; US access only)
- Christian philosophy (J. B. Lyon, printer, 1898), by John Thomas Driscoll (page images at HathiTrust)
- A course of philosophy. Embracing logic, metaphysics and ethics. Designed as a text-book for the use of schools. (Kelly, Piet & company, 1873), by Augustin Joseph Louage (page images at HathiTrust)
- Discussions on philosophy and literature, education, and university reform. (Harper & Brothers, 1856), by William Hamilton (page images at HathiTrust)
- Elements of intellectual philosophy (D. Appleton & co., 1868), by Joseph Alden (page images at HathiTrust)
- The elements of intellectual philosophy. (D. & J. Sadlier & co., 1878), by Januarius De Concilio (page images at HathiTrust)
- Elements of intellectual philosophy (Y[ork] D. Appleton and company, 1866), by Joseph Alden (page images at HathiTrust)
- First steps in philosophy (physical and ethical) (C.H. Kerr and company, 1892), by William Mackintire Salter (page images at HathiTrust)
- The fragments of Parmenides (E.P. Gray, 1869), by Parmenides (page images at HathiTrust)
- The gift of mind to spirit (Sherman, French & Company, 1916), by John Kulamer (page images at HathiTrust)
- The Higher realism (Jennings & Pye ;, 1903), by Duston Kemble (page images at HathiTrust)
- Introduction to philosophy (Macmillan, 1911), by Wilhelm Jerusalem and Charles F. Sanders (page images at HathiTrust)
- An introduction to the study of philosophy. With an outline treatise on logic. (Lindsay & Blakiston, 1858), by Emanuel Vogel Gerhart (page images at HathiTrust)
- Introduction to the study of philosophy (D. Appleton, 1889), by William Torrey Harris and Marietta Kies (page images at HathiTrust)
- Introductory philosophy; a text-book for colleges and high schools (Longmans, Green, and co., 1912), by Charles Albert Dubray (page images at HathiTrust)
- Outline of Sir William Hamilton's philosophy ... (Gould and Lincoln;, 1870), by John Clark Murray and William Hamilton (page images at HathiTrust)
- Philosophy of Sir William Hamilton, bart. (D. Appleton & company, 1858), by William Hamilton and O. W. Wight (page images at HathiTrust)
- Philosophy of Sir William Hamilton, bart. ... (D. Appleton & company, 1853), by William Hamilton and O. W. Wight (page images at HathiTrust)
- Philosophy and the social problem (The Macmillan company, 1917), by Will Durant and Paul Avrich Collection (Library of Congress) (page images at HathiTrust)
- The problems of philosophy (The Macmillan company;, 1905), by Harald Høffding and Galen Merriam Fisher (page images at HathiTrust; US access only)
- Problems of philosophy (The Macmillan company;, 1905), by James H. Hyslop (page images at HathiTrust; US access only)
- Readings in philosophy (R. G. Adams and Company, 1921), by Albert E. Avey (page images at HathiTrust)
- What? (Cumberland Presbyterian publishing house, 1890), by John Iredelle Dillard Hinds (page images at HathiTrust)
- The world of mind : an elementary book (Harper & Brothers, 1858), by Isaac Taylor and Harry Houdini Collection (Library of Congress) (page images at HathiTrust)
- De la langue latine considérée dans son application à la philosophie. (G. Bridel, 1866), by Max Bonnet (page images at HathiTrust)
- The study of philosophy, an outline. (University of Utah Press, 1919), by William Henry Chamblin (page images at HathiTrust; US access only)
- Philosophy of longevity. (Shang wu yin shu guan, 1918), by Bizan Suzuki and Weiqiao Jiang (page images at HathiTrust; US access only)
- Filosofskie ocherki (Kiev :, 1906), by N. Strakhov (page images at HathiTrust; US access only)
- Ioh. Gottl. Heineccii Elementa philosophiae rationalis, ex principiis admodum euidentibus justo ordine adornata. (Sumtibus eiusd. Athenaei, 1839), by Johann Gottlieb Heineccius (page images at HathiTrust)
- De la philosophie de Gassendi (P. Grollier, 1861), by L. Mandon (page images at HathiTrust)
- Il filosofo sconosciuto : L. C. de Saint Martin (F. Perrella, 1908), by Louis-Claude de Saint-Martin and Aldo de Rinaldis (page images at HathiTrust; US access only)
- Arthur Schopenhauer's sämtliche Werke in zwölf Bänden (J.G. Cotta'sche Buchhandlung Nachfolger, 1900), by Arthur Schopenhauer and Rudolf Steiner (page images at HathiTrust; US access only)
- Über die Zukunft der Philosophie. (A. Hölder, 1893), by Franz Clemens Brentano (page images at HathiTrust)
- Antimoderne. (Éditions de la Revue des jeunes, 1922), by Jacques Maritain (page images at HathiTrust; US access only)
- Philosophische Studien. (O. Janke, 1883), by Felix Dahn (page images at HathiTrust)
- Nietzsche (J.A. Barth, 1909), by P. J. Möbius (page images at HathiTrust; US access only)
- Statʹi nauchnago kharaktera. (Revoli︠u︡tsīonnai︠a︡ myslʹ, 1917), by P. L. Lavrov (page images at HathiTrust; US access only)
- Hans Christian Örsted's gesammelte naturwissenschaftliche Schriften. (Ernst Balden, 1854), by Hans Christian Ørsted (page images at HathiTrust)
- Den menneskelige tanke; dens former og dens opgaver. (Glydendal, 1910), by Harald Høffding (page images at HathiTrust; US access only)
- Nauka o nałeżytościach i powinnościach człowieka (w druk. Jana Maja, 1810), by Hugo Kołłątaj (page images at HathiTrust; US access only)
- The links between science, philosophy, and military theory : understanding the past, implications for the future (Air University Press, 1997), by Robert P. Pellegrini and Air University (U.S.). Air Command and Staff College. School of Advanced Airpower Studies (page images at HathiTrust)
- Die Epochen der Geschichte der Menschheit; eine historisch-philosophische Skizze. (F. Mauke, 1851), by Ernst Friedrich Apelt (page images at HathiTrust)
- Erkenntnislehre (J.C.B. Mohr, 1858), by Jakob Sengler (page images at HathiTrust)
- Folkelige grundtanker. (Lunde & Co., 1920), by Christopher Bruun (page images at HathiTrust; US access only)
- Oeuvres posthumes (Chez Letourmy, 1807), by Louis-Claude de Saint-Martin (page images at HathiTrust)
- The friend: a series of essays to aid in the formation of fixed principles in politics, morals, and religion, with literary amusements interspersed (E. Maxon, 1863), by Samuel Taylor Coleridge (page images at HathiTrust)
- The friend : a series of essays to aid in the formation of fixed principles in politics, moral, and religion, with literary amusements interpreted (W. Pickering, 1850), by Samuel Taylor Coleridge and Henry Nelson Coleridge (page images at HathiTrust)
- Mental science : a compendium of psychology, and the history of philosophy : designed as a text-book for high-schools and colleges (American Book Co., 1868), by Alexander Bain (page images at HathiTrust)
- Dissertations and discussions: political, philosophical, and historical (William V. Spencer, 1864), by John Stuart Mill (page images at HathiTrust)
- Dissertations and discussions: political, philosophical, and historical. (John W. Parker and son, 1859), by John Stuart Mill (page images at HathiTrust)
- De sensu rerum et magia, libri quatuor (Apud Egenolphum Emmelium :, 1620), by Tommaso Campanella, Gottfried Tambach, Egenolff Emmel, and Tobias Adami (page images at HathiTrust)
- Lectures on the philosophy of the human mind: (Tegg, 1860), by Thomas Brown and David Welsh (page images at HathiTrust)
- Der zur Gewissheit der Gotteserkenntniss als des höchsten Wissenschaftsprincipes emporleitende Theil der Philosophis. (Tempsky, 1869), by Karl Christian Friedrich Krause (page images at HathiTrust)
- The works of Thomas Reid, D.D. : now fully collected, with selections from his unpublished letters (Maclachlan and Stewart; [etc., etc.], 1863), by Thomas Reid, Dugald Stewart, and William Hamilton (page images at HathiTrust)
- Philosophy (D. Appleton, 1853), by William Hamilton and O. W. Wight (page images at HathiTrust)
- The essentials of philosophy : wherein its constituent principles are traced throughout the various departments of science : with analytical strictures on the views of some of our leading philosophers (T & T Clark, 1859), by George Jamieson (page images at HathiTrust)
- Der Anthropologismus in der Entwickelung der Philosophie seit Kant und Ludwig Feuerbachs Anthroposophie (Otto Wigand, 1845), by Friedrich Harms (page images at HathiTrust)
- Principes philosophiques, politiques et moraux ... (J.J. Paschoud, 1806), by François Rodolphe de Weiss (page images at HathiTrust)
- Polemische Schriften. (Reinicke und Comp., 1824), by Jakob Friedrich Fries (page images at HathiTrust)
- Ideen, Reflexionen und Betrachtungen aus Schleiermachers Werken (G. Reimer, 1854), by Friedrich Schleiermacher and Ludwig von Lancizolle (page images at HathiTrust)
- Briefe an einen jüngeren gelehrten Freund über Philosophie : und besonders über Herbart's Lehren (G.C.E. Meyer, 1832), by Friedrich Conrad Griepenkerl (page images at HathiTrust)
- Dissertations and discussions : political, philosophical and historical (J. W. Parker, 1859), by John Stuart Mill (page images at HathiTrust)
- Essays: scientific, political, and speculative. (Williams & Norgate, 1868), by Herbert Spencer (page images at HathiTrust)
- Discussions on philosophy and literature, education and university reform : chiefly from the Edinburgh review (Harper & brothers, 1858), by William Hamilton and Robert Turnbull (page images at HathiTrust)
- Institutiones philosophicae Matthei Liberatore. (Civilitas Catholica, 1857), by Matteo Liberatore (page images at HathiTrust)
- Der Geist in der Natur (Cotta, 1850), by Hans Christian Ørsted (page images at HathiTrust)
- Philosophische propaedeutik (W. Braumüller, 1867), by Robert Zimmermann (page images at HathiTrust)
- Der organismus der philosophischen idee in wissenschaftlicher und geschichtlicher hinsicht (Arnold, 1850), by Joseph Hillebrand (page images at HathiTrust)
- Philosophie im Umriss (Adolf Bonz, 1871), by Adolph Steudel (page images at HathiTrust)
- Encyclopädie der philosophischen Wissenschaften im Grundrisse. (Duncker und Humblot, 1840), by Georg Wilhelm Friedrich Hegel (page images at HathiTrust)
- Institutiones philosophiae theoreticae in usum praelectionum (Perisse Fratres, Bibliopolas-Editores, 1862), by Franz Rothenflue (page images at HathiTrust)
- Philosophie critique de Kant : exposée en vingt-six lecons (Brockhausius, 1842), by Immanuel Kant and Henri Jouffrouy (page images at HathiTrust)
- Elements of physics or natural philosophy, general and medical, written for universal use, in plain or non-technical language; and containing new disguisitions and practical suggestions. Comprised in five parts, complete in one volume. (Lea and Blanchard, 1845), by Neil Arnott and Isaac Hays (page images at HathiTrust)
- Lehrbuch der Elemente der Philosophie (G. J. Manz, 1852), by Jaime Luciano Balmes (page images at HathiTrust)
- Kraft und Stoff : empirisch-naturphilosophische studien, in allgemein-verständlicherdarstellung (Verlag von Meidinger John & Comp., 1859), by Ludwig Büchner (page images at HathiTrust)
- Discours sur l'hypocrisie du vocabulaire libéral & révolutionnaire (J. Céas, 1871), by Esprit Gustave Jouve (page images at HathiTrust)
- System der metaphysischen grundbegriffe (W. Hertz, 1852), by Gustav Eduard Engel (page images at HathiTrust)
- Ueber das höchste Gut (Breitkopf und Hartel, 1846), by Gustav Theodor Fechner (page images at HathiTrust)
- Opera omnia : ad fidem optimarum editionum accurate recognita. (P. Fiaccadori, 1852), by Saint Thomas Aquinas (page images at HathiTrust)
- Das Bewusstwerden der Menschheit; ein Entwurf. (C.E.M. Pfeffer, 1850), by Julius Arndt (page images at HathiTrust)
- Philosophie fondamentale (A. Vaton, 1852), by Jaime Luciano Balmes (page images at HathiTrust)
- Philosophische propädeutik für gymnasien und höhere bildungsanstalten (G. Reimer, 1845), by Franz Biese (page images at HathiTrust)
- Lectures on the atomic theory and essays scientific and literarymicroform (T. Constable ;, 1858), by Samuel Brown (page images at HathiTrust)
- Einleitung in die philosophie und grundriss der metaphysik. Zur reform der philosophie ... (München, 1858), by Jakob Frohschammer (page images at HathiTrust)
- Carolus Michaël Buscalioni monregalensis ut philosophiæ rationalis professor crearetur in Regio Taurinensi Athenæo publice disputabat anno MDCCCXLVIII, mense Augusto die VIII, hora X mat. (Zecchi et Bona, 1848), by Carlo Michele Buscalioni (page images at HathiTrust)
- Abhandlungen zur systematischen Philosophie. (Ber., 1868), by Friedrich Harms (page images at HathiTrust)
- Philosophy of Sir William Hamilton, bart. (New York, D. Appleton and company, 1859), by William Hamilton and O. W. Wight (page images at HathiTrust)
- Einleitung in die Philosophie. (W. Braumüller, 1863), by Johann von Lichtenfels (page images at HathiTrust)
- Psychology, the test of moral and metaphysical philosophy, an inaugural lecture delivered in Magdalen College, October 23, 1855. (Graham, 1855), by Henry Longueville Mansel (page images at HathiTrust)
- Mr. Johannes Kinker : als wijsgeer (Van Bonga & Comp., 1864), by B. H. C. K. van der Wijck (page images at HathiTrust)
- Réforme du savoir humain (Didot Frères, 1848), by Józef Maria Hoene-Wroński (page images at HathiTrust)
- Opuscules philosophiques (M. Hayez, 1851), by L. A. Gruyer (page images at HathiTrust)
- Jerusalem (Leipzig : F.A. Brockhaus, 1869, 1869), by Moses Mendelssohn and Arnold Bodek (page images at HathiTrust)
- Mélanges philosophiques. (Librairie Philosophiques de Ladrange;, 1862), by Augusto Vera (page images at HathiTrust)
- Gesammelte Schriften. (Teubner, 1921), by Wilhelm Dilthey, Frithjof Rodi, and Karlfried Gründer (page images at HathiTrust; US access only)
- Summa philosophiae quadripartita: de rebus dialecticis, moralibus, physicis & metaphysicis (C. Chastellain, 1609), by à S. Paulo Eustachio (page images at HathiTrust)
- Essays, moral, political and literary (Grant Richards, 1903), by David Hume and George Francis Savage-Armstrong (page images at HathiTrust)
- The philosophy of Kant : as contained in extracts from his own writings (Macmillan and Co., 1894), by Immanuel Kant and John Watson (page images at HathiTrust)
- The works of Thomas Reid, D.D. : now fully collected, with selections from his unpublished letters (Elibron Classics, in the 2000s), by Thomas Reid, Dugald Stewart, and William Hamilton (page images at HathiTrust; US access only)
- Vom Geist und Wesen der Dinge : oder, philosophische Blicke auf die Natur der Dinge und den Zweck ihres Daseyns wobei der Mensch überall als die Lösung des Räthsels betrachtet wird (C.H. Reclam, 1812), by Louis-Claude de Saint-Martin, Franz von Baader, and Gotthilf Heinrich von Schubert (page images at HathiTrust; US access only)
- The history of philosophy from Thales to Comte (London : Longmans, Green, and Co., 1867., 1867), by George Henry Lewes (page images at HathiTrust)
- Mélanges : philosophie morale et morale religieuse, études littéraires et notices biographiques, fragments inédits et pensées (Chez les éditeurs, 1869), by Alexandre Rodolphe Vinet (page images at HathiTrust)
- Oeuvres comple tes de M. de Bonald, Pair de France et Membre de l'Acad emie Franc aise, suivies d'une table analytique des matie res en dehors des tables particulie res. (Migne, 1859), by Louis-Gabriel-Ambroise Bonald (page images at HathiTrust)
- Text-book in intellectual philosophy, for schools and colleges : containing an outline of the science, with an abstract of its history (Crosby, Nichols, Lee and co., 1861), by J. T. Champlin (page images at HathiTrust)
- The principles of moral and political philosophy (B. and S. Collins, 1835), by William Paley (page images at HathiTrust)
- La Philosophie de Voltaire, : avec une introduction et des notes, (Librairie Philosophique de Ladarange, 1848), by Ernest Bersot (page images at HathiTrust)
- Clavis universalis : or a new enquiry after truth (Ballantyne and Co., 1836), by Arthur Collier (page images at HathiTrust)
- Anleitung zur freyen Ansicht der Philosophie : zunächst für seine Zuhörer (Joseph Lentner, 1804), by Kajetan von Weiller (page images at HathiTrust)
- Mental science : a compendium of psychology, and the history of philosophy : designed as a text-book for high-schools and colleges (D. Appleton, 1868), by Alexander Bain (page images at HathiTrust)
- Oeuvres de Descartes : collationnée sur les meilleurs textes (Charpentier, 1868), by René Descartes and Jules Simon (page images at HathiTrust)
- Discussions on philosophy and literature, education and university reform. (Harper, 1855), by William Hamilton and Robert Turnbull (page images at HathiTrust)
- Le postille di un anonimo; saggio di osservazioni. (G. Redaelli, 1850), by Alessandro Pestalozza (page images at HathiTrust)
- L'Hégélianisme et la philosophie. (Ladrange, 1861), by Augusto Vera (page images at HathiTrust)
- Filosofia di Dante contenuta nella Divina commedia esposta ed ordinata in modo scientifico. (all' insegna di Aldo Manuzio, 1845), by Onofrio Simonetti (page images at HathiTrust)
- Elements of intellectual philosophy : designed for a text-book and for private reading (Hickling, Swan, & Brown, 1856), by Hubbard Winslow (page images at HathiTrust)
- Souvenirs de vingt ans d'enseignement à la Faculté des lettres de Paris : ou, Discours sur diverses matières de morale et de théodicée (A. Durand [etc.], 1859), by Ph. Damiron (page images at HathiTrust)
- Kritische Betrachtungen über die Schicksale der Philosophie in der neueren Zeit und den Eintritt einer neuen Epoche in derselben (Andreäischen Buchhandlung, 1825), by Carl Joseph Hieronymus Windischmann (page images at HathiTrust)
- Éléments de philosophie concordant avec le programme officiel. (Paris, 1869), by Alphonse Aulard (page images at HathiTrust)
- Entwurf eines systems der wissenschaftslehre (Schwers, 1846), by Heinrich Moritz Chalybäus (page images at HathiTrust)
- Manuel de philosophie (Hachette, 1857), by Amédée Florent Jacques, Émile Saisset, and Jules Simon (page images at HathiTrust)
- Oeuvres de Descartes. (Charpentier, 1850), by René Descartes and Jules Simon (page images at HathiTrust)
- La critica e il diritto (P. Naratovich, 1869), by Carlo Salvadori (page images at HathiTrust)
- Del rinnovamento della filosofia antica italiana libro uno (Ricordi e compagno, 1836), by Terenzio Mamiani della Rovere (page images at HathiTrust)
- The elements of intellectual philosophy (Sheldon & Co., 1869), by Francis Wayland (page images at HathiTrust)
- Elements of intellectual philosophy. Designed for a text-book and for private reading. (Crocker and Brewster, 1850), by Hubbard Winslow (page images at HathiTrust)
- Intellectual philosophy : analytical, synthetical and practical (Brewer and Tileston, 1863), by Hubbard Winslow (page images at HathiTrust)
- Thesaurus scientarium, continens fundamenta omnium scientarium : sectio philosophica (Be-vet ha-defus shel Y. Holtsṿorṭh, 1856), by Julius Barasch (page images at HathiTrust)
- Wetenschap en wijsbegeerte (Bij J.H. Gebhard & Comp., 1857), by Cornelis Opzoomer (page images at HathiTrust)
- Leibniz als Denker. Auswahl seiner kleinern Aufsätze zur übersichtlichen Darstellung seiner Philosophie. (H. Fritzsche, 1863), by Gottfried Wilhelm Leibniz and Gustav Schilling (page images at HathiTrust)
- Œuvres posthumes de Bordas-Demoulin; publiées, avec une introduction et des notes (Ladrange [etc.], 1861), by Jean Baptiste Bordas-Demoulin and F. Huet (page images at HathiTrust)
- Réforme du savoir humain. (Firmin Didot, 1847), by Józef Maria Hoene-Wroński (page images at HathiTrust)
- Allgemeine praktische philolosophie (ethik). (Leipzig, 1871), by Joseph W. Nahlowsky (page images at HathiTrust)
- Notice sur l'oeuvre et la vie d'Auguste Comte (Chez Dunod, 1860), by Dr. Robinet (page images at HathiTrust)
- Essays : scientific, political, and speculative (Williams and Norgate, 14, Henrietta Street, Covent Garden ;, 1863), by Herbert Spencer and Stephen Austin (page images at HathiTrust)
- An essay concerning human understanding (Printed for John Bumpus, William Baynes [etc.], 1824), by John Locke (page images at HathiTrust)
- Grundwahrheiten der Wissenschaft (Prag, 1868), by Karl Christian Friedrich Krause (page images at HathiTrust)
- Philosophy of Sir William Hamilton. (D. Appleton, 1854), by William Hamilton and O. W. Wight (page images at HathiTrust)
- An introduction to the study of philosophy. With an outline treatise on logic. (Lindsay & Blakiston, 1858), by Emanuel V. Gerhart (page images at HathiTrust)
- Miftah ül-fünun (Takvimhane-i Amire, 1861), by Pasquale Galluppi and Sakızlı Ohanes (page images at HathiTrust)
- Les philosophes de l'antiquité. (Dentu, 1864), by L. Lenoël (page images at HathiTrust)
- Human freedom and a plea for philosophy : two essays (P.A. Rice, 1850), by John Williamson Nevin and Pa.) Marshall College (Mercersburg (page images at HathiTrust)
- Verzeichniss der Doctoren welche die philosophische Facultät der Königlich Württembergischen Eberhard-Karls-Universität in Tübingen im Decanatsjahre 1870-1871 ernannt hat. Beigefügt sind Beiträge zur Lehre vom Hypothetischen Urtheile (Gedruckt bei Heinrich Laupp, 1871), by Universität Tübingen. Philosophische Fakultät and Christoph Sigwart (page images at HathiTrust)
- Das acquisit der philosophie und Briefe über logik (J. H. W. Dietz, 1895), by Joseph Dietzgen and Eugen Dietzgen (page images at HathiTrust)
- Grundzüge der praktischen Philosophie : Dictate aus den Vorlesungen. (S. Hirzel, 1884), by Hermann Lotze (page images at HathiTrust)
- Über die letzten Dinge (W. Braumüller, 1922), by Otto Weininger (page images at HathiTrust; US access only)
- Die Welt als Wille und Vorstellung. (F. A. Brockhaus, 1888), by Arthur Schopenhauer and Julius Frauenstädt (page images at HathiTrust)
- Nietzsche's Werke. (C.G. Naumann, 1901), by Friedrich Wilhelm Nietzsche (page images at HathiTrust; US access only)
- Reden und aufsätze (A. Kröner, 1913), by Wilhelm Max Wundt (page images at HathiTrust; US access only)
- Die geistige Welt : Einleitung in die Philosophie des Lebens (B. G. Teubner, 1924), by Wilhelm Dilthey and Georg Misch (page images at HathiTrust; US access only)
- Sämmtliche Werke. (Verlag der Durr'schen Buchhandlung, 1870), by Immanuel Kant and Paul Gedan (page images at HathiTrust; US access only)
- Estudios críticos sobre filosofía y religión (1856-1863--1883-1889) (Imprenta Alemana, 1913), by Juan Valera (page images at HathiTrust; US access only)
- Épitre a son altesse le prince Czartoryski sur les destinées de la Pologne : et généralement sur les destinées des nations slaves (Firmin Didot fréres, au Bureau du messianism, 1848), by Józef Maria Hoene-Wroński (page images at HathiTrust)
- Sa mmtliche werke: (Leipzig, 1850), by Johann Friedrich Herbart (page images at HathiTrust)
- Studies in the history of ideas (AMS Press, 1970), by Columbia University. Dept. of Philosophy (page images at HathiTrust; US access only)
- Fragments sur l'art et la philosophie suivis de notes et pensées diverses (Ch. Douniol, 1860), by Alfred Tonnellé and Guillaume Alfred Heinrich (page images at HathiTrust)
- Efterladte philosophiske skrifter. (Trykt hos J.F. Schultz, 1795), by Christian Hornemann and J. F. W. Schlegel (page images at HathiTrust)
- Muhabata (Selânik Matbaası, 1912), by Mehmet Nâzım Paşa (page images at HathiTrust; US access only)
- Abhandlungen aus dem Gebiete der Philosophie und ihrer Geschichte : eine Festgabe zum 70. Geburtstag Georg Freiherrn von Hertling (Herder, 1913), by Matthias Baumgartner and Georg Hertling (page images at HathiTrust; US access only)
- The works of Plato, viz his fifty-five dialogues and twelve epistles ; translated from the Greek, nine of the dialogues by the late Floyer Sydenham, and the remainder by Thomas Taylor ; with occasional annotations on the nine dialogues translated by Sydenham and copious notes by the latter translator .... (AMS Press, 1979), by Plato, Thomas Taylor, and Floyer Sydenham (page images at HathiTrust)
- La libertad creadora. (Tall. Gráf. Olivieri y Domínguez, 1922), by Alejandro Korn and Eugenio Pucciarelli (page images at HathiTrust; US access only)
- Opere italiane. (G. Laterza, 1907), by Giordano Bruno, Vincenzo Spampanato, and Giovanni Gentile (page images at HathiTrust; US access only)
- Die Tragikomödie der Weisheit; die Ergebnisse und die Geschichte des Philosophierens (W. Braumüller, 1915), by Richard Wahle (page images at HathiTrust; US access only)
- Lehrbuch zur Einleitung in die Philosophie. (A. Deichert, 1887), by Leonhard Rabus (page images at HathiTrust)
- Blaise Pascal : a study in religious psychology (Williams and Norgate, 1909), by Humfrey Robertson Jordan (page images at HathiTrust; US access only)
- The will to believe and other essays in popular philosophy (Longmans Green, 1903), by William James (page images at HathiTrust)
- Religionspartheien und Philosophen-Schulen (Georg Olms Verlag, 1969), by Muhammad ibn 'Abd al-Karim Shahrastani and Theodor Haarbrücker (page images at HathiTrust; US access only)
- Essays : scientific, political, and speculative (Williams & Norgate, 1891), by Herbert Spencer (page images at HathiTrust)
- Handschriftlicher Nachlass. Aus der königlichen Bibliothek in Berlin verwahrten Manuskriptbüchern herausgegeben (P. Reclam, 1891), by Arthur Schopenhauer and Eduard Grisebach (page images at HathiTrust)
- Vom Umsturz der Werte : der Abhandlungen und Aufsätze (Der Neue Geist, 1919), by Max Scheler (page images at HathiTrust; US access only)
- Nouvelles esquisses de philosophie critique (F. Alcan, 1899), by African Spir (page images at HathiTrust; US access only)
- Saggi di critica e polemica (D. Salvi, 1871), by Cristoforo Bonavino (page images at HathiTrust)
- Eduard von Hartmann's ausgewählte werke. (H. Haacke, 1885), by Eduard von Hartmann (page images at HathiTrust; US access only)
- An inquiry into the human mind : on the principles of common sense (W. Falconer, 1817), by Thomas Reid (page images at HathiTrust)
- Ordnungslehre : ein System des nicht-metaphysischen Teiles der Philosophie (Diederichs, 1912), by Hans Driesch (page images at HathiTrust; US access only)
- Lehrbuch zur einleitung in die philosophie (L. Voss, 1883), by Johann Friedrich Herbart and G. Hartenstein (page images at HathiTrust)
- Contributions to philosophy and psychology. (New York., 1894), by Columbia University (page images at HathiTrust)
- Philosophische abhandlungen. (J. C. B. Mohr, 1900) (page images at HathiTrust; US access only)
- Fragments in philosophy and science; being collected essays and addresses (C. Scribner's Sons, 1902), by James Mark Baldwin (page images at HathiTrust)
- Christian Wolff's Verhältnis zu Leibniz Habilitationsschrift (E. Felber, 1897), by Walther Arnsperger (page images at HathiTrust)
- Du bien (Perrin, 1895), by Victor Cousin and Paul Janet (page images at HathiTrust)
- Einführung in die philosophie Zugleich an stelle der fünften auflage (Weber, 1914), by Arnold Ruge (page images at HathiTrust)
- Einiges Philosophische in gemeinfasslicher Form (Nicolaische Verlagsbuchhandlung, 1861), by Titu Maiorescu (page images at HathiTrust)
- Katechismus der Philosophie (J.J. Weber, 1897), by J. H. von Kirchmann and Adolf Lasson (page images at HathiTrust)
- Kleine Schriften von Christoph Sigwart...1.-[2.] reihe. (Mohr, 1836), by Christoph Sigwart (page images at HathiTrust)
- Les philosophies négatives (F. Alcan, 1900), by Ernest Naville (page images at HathiTrust)
- Philosophical fragments written during intervals of business. (Longmans & co., 1878), by J. D. Morell (page images at HathiTrust)
- Physical realism being an analytical philosophy from the physical objects of science to the physical data of sense (Longmans, Green, and co., 1888), by Thomas Case (page images at HathiTrust)
- Ueber Seyn, Nichts und Werden einige Zweifel an der Lehre des Herrn Professor Hegel. (E.S. Mittler, 1829) (page images at HathiTrust)
- Wolf's philosophisch-pädagogisches Vademecum alphabetische Zusammenstellung der litterarischen Erscheimungen auf dem Gebiete der Philosophie, Pädagogik und des Anschauungs-Unterrichtes. (Wolf's Vademecum, in the 1890s), by Karl Gustav Wolf (page images at HathiTrust)
- Illustrations of universal progress; a series of discussions. With a notice of Spencer's "New system of philosophy". (Appleton, 1881), by Herbert Spencer (page images at HathiTrust)
- Oeuvres philosophiques de Descartes : publiées d'après les textes originaux (Auguste Desrez, 1838), by René Descartes and Louis-Aimé Martin (page images at HathiTrust)
- Etica e biografia. (Studio Editoriale Lombardo, 1915), by Giovanni Amendola (page images at HathiTrust; US access only)
- Programme d'un cours complet de philosophie. ([s.n.], 1830), by Adolphe Félix Gatien-Arnoult (page images at HathiTrust)
- Saggio filosofico sulla critica della conoscenza o sia analisi distinta del pensiere umano con un esame delle piú importanti quistioni dell'ideologia, del Kantismo, e della filosofia trascendentale. ([s.n.], 1846), by Pasquale Galluppi (page images at HathiTrust)
- Art d'arriver au vrai : philosophie pratique ([s.n.], 1852), by Jaime Luciano Balmes and Edouard Manec (page images at HathiTrust)
- Kurze Encyklopädie der Philosophie aus praktischen Gesichtspuncten. (Schwetschke, 1831), by Johann Friedrich Herbart (page images at HathiTrust)
- Die philosophie in ihrem verhältnisse zur erfahrung, zur spekulation und zum leben. ([s.n.], 1833), by Friedrich Eduard Beneke (page images at HathiTrust)
- Elemente der Philosophie : ein Lehrbuch auf Grund der Schulwissenschaften (Buchhandlung des Waisenhauses, 1909), by Alfred Christian Theodor Rausch (page images at HathiTrust; US access only)
- Œuvres philosophiques de Monsieur de La Mettrie ... (Amsterdam, 1764), by Julien Offray de La Mettrie (page images at HathiTrust)
- Philosophy : [a lecture delivered at Columbia university in the series on science, philosophy and art, March 4, 1908] (The Columbia university press, 1911), by Nicholas Murray Butler (page images at HathiTrust; US access only)
- Festschrift für Paul Natorp zum siebzigsten (W. de Gruyer, 1924), by Albert Görland and Ernst Cassirer (page images at HathiTrust; US access only)
- Estudios filosóficos : con una introducción de Enrique Martňez Paz. (Administración general, 1919), by Carlos Octavio Bunge (page images at HathiTrust; US access only)
- L'énergie spirituelle : essais et conférences. (Presses Universitaires de France, 1955), by Henri Bergson (page images at HathiTrust; US access only)
- Principes philosophiques, politiques et moraux. (J. J. Paschoud, 1819), by François Rudolphe de Weiss (page images at HathiTrust)
- Philosophical works of the late James Frederick Ferrier .. (W. Blackwood and sons, 1881), by James Frederick Ferrier, Edmund Law Lushington, and Alexander Grant (page images at HathiTrust)
- The metaphysics of nature (A. and C. Black, 1908), by Carveth Read (page images at HathiTrust; US access only)
- The works of Voltaire : a contemporary version with notes (St. Hubert guild, 1901), by Voltaire, John Morley, and T. Smollett (page images at HathiTrust; US access only)
- Obras completas de D. Francisco Giner de los Ríos. (La Lectura, 1916), by Francisco Giner de los Ríos and Alfredo Calderón y Arana (page images at HathiTrust; US access only)
- Pisma filozoficzne i psychologiczne. (Nakładem Wydawnictwa Polskiego, 1912), by Władysław Kozłowski (page images at HathiTrust; US access only)
- Observations on man : his frame, his duty and his expectations ... (Printed for Leake & Frederick, 1849), by David Hartley (page images at HathiTrust)
- Father Payne. (John Murray, 1917), by Arthur Christopher Benson (page images at HathiTrust; US access only)
- Philosophical theories and philosophical experience (W. Pickering, 1845), by Caroline Frances Cornwallis and A. pariah (page images at HathiTrust)
- Œuvres complètes d'Helvétius. (Mme Ve Lepetit, 1818), by Helvétius and Jean-François Saint-Lambert (page images at HathiTrust)
- Oeuvres de Malebranche. (Charpentier, 1842), by Nicolas Malebranche (page images at HathiTrust)
- Filosofía y sociología : estudios de exposición y de crítica. (Henrich, 1904), by Francisco Giner de los Ríos (page images at HathiTrust; US access only)
- O mundo interior : ensaio sobre os dados geraes da philosophia do espirito. (Revista dos Tribunaes, 1914), by Raymundo de Farias Brito (page images at HathiTrust; US access only)
- Mental science : a compendium of psychology, and the history of philosophy designed as a text-book for high-schools and colleges (D. Appleton and company, 1875), by Alexander Bain (page images at HathiTrust)
- System der kritischen Philosophie auf den Satz des Bewustseyns gegründet (Bonn : In der Andreäischen Buchhandlung, 1795-1796 ; Bruxelles : Culture et civilisation, 1968., 1795), by Johann Neeb (page images at HathiTrust)
- Studies in the history of ideas (Columbia University Press, 1918), by Columbia University. Dept. of Philosophy (page images at HathiTrust)
- An examination of Sir William Hamilton's philosophy, and of the principal philosophical questions discussed in his writings (W.V. Spencer, 1866), by John Stuart Mill (page images at HathiTrust)
- Götzen-Dämmerung; oder, Wie man mit dem Hammer philosophirt. (C.G. Naumann, 1889), by Friedrich Wilhelm Nietzsche (page images at HathiTrust)
- Io. Georgii Walchii P.P.O. Parerga academica : ex historiarum atque antiquitatum monumentis collecta. (Sumtu Io. Frieder. Gleditschii B. Filii, 1721), by Johann Georg Walch (page images at HathiTrust)
- Abriss der philosophischen Grund-wissenschaften ... (W. Koebner, 1880), by Gustav Glogau (page images at HathiTrust)
- Œuvres complètes (L. Hachette, 1858), by Blaise Pascal, Gilberte Pascal Périer, Madame Perier, and Charles Lahure (page images at HathiTrust)
- Pensées de Blaise Pascal (Froment, 1823), by Blaise Pascal, Pierre Réné Auguis, Jean-Antoine-Nicolas de Caritat Condorcet, and Voltaire (page images at HathiTrust)
- Elementi de filosofia (Boniardi-Pogliani, 1845), by Alessandro Pestalozza (page images at HathiTrust)
- Pensées de M. Pascal sur la religion & sur quelques autres sujets. (G. Desprez et J. Desessartz, 1714), by Blaise Pascal (page images at HathiTrust)
- Ein neuer Versuch über das Wesen der Philosophie (C. Winter, 1909), by Stan Garfein-Garski (page images at HathiTrust; US access only)
- Oeuvres diverses (Chez Jean Frederic Bernard, 1732), by John Locke and Jean Le Clerc (page images at HathiTrust)
- System der Metaphysik mit besonderer Berücksichtigung der Kosmologie. Entwurf einer realistisch-spekulativen Weltformel. (R. Lincke, 1908), by Johannes Franz Thoene (page images at HathiTrust; US access only)
- Microcosmus: an essay concerning man and his relation to the world. (Scribner & Welford, 1887), by Hermann Lotze, Emily Elizabeth Constance Jones, and Elizabeth Hamilton (page images at HathiTrust)
- Filosofia dello spirito. (G. Laterza & figli, 1912), by Benedetto Croce (page images at HathiTrust; US access only)
- Philosophie als Universalwissenschaft. (J. F. Bergmann, 1912), by Alfons Bilharz (page images at HathiTrust; US access only)
- Le conflit; entretiens philosophiques. (A. Colin, 1913), by Félix Alexandre Le Dantec (page images at HathiTrust; US access only)
- Aux artistes; entretiens philosophiques. (J. Delannoy, 1919), by Fernand Crooÿ (page images at HathiTrust; US access only)
- Noi stessi (brani di un album). (G. Fraioli, 1910), by Maria Croce (page images at HathiTrust; US access only)
- Lecciones de filosofía (Imprenta de don Juan de la Granja ..., 1841), by Félix Varela (page images at HathiTrust)
- Die grundlagen der naturphilosophie (Verlag Unesma, g. m. b. h., 1913), by Hugo Dingler (page images at HathiTrust; US access only)
- Abhandlungen zur Philosophie und ihrer Geschichte (M. Niemeyer, 1893), by Benno Erdmann (page images at HathiTrust; US access only)
- An essay concerning humane understanding. In four books. (Awnsham & J. Churchill, 1706), by John Locke (page images at HathiTrust)
- Francisci Baconi Baronis de Verulamio ... Opera omnia quatuor voluminibus comprehensa : hactenus edita, ad autographorum maxime fidem emendantur, nonnulla etiam, ex mss. codicibus deprompta, nunc primum prodeunt ... (Impensis R. Gosling ..., 1730), by Francis Bacon, John Blackbourne, and George Fabyan Collection (Library of Congress) (page images at HathiTrust)
- Oeuvres diverses de Mr. Pierre Bayle : contenant tout ce que cet auteur a publié sur des matières de théologie, de philosophie, de critique, d'histoire, et de littérature, excepté son Dictionnaire historique et critique. (Par la Compagnie des libraires, 1737), by Pierre Bayle (page images at HathiTrust)
- Oeuvres diverses de Pierre Bayle; contenant tout ce que cet auteur a publié sur des matières de théologie, de philosophie, de critique, d'histoire, et de littérature, excepté son Dictionnaire historique et critique. (Chez P. Husson, 1727), by Pierre Bayle (page images at HathiTrust)
- Works of John Locke (Printed for D. Browne and others, 1759), by John Locke and Pierre Desmaizeaux (page images at HathiTrust)
- Svět jako vědomí a nic (Súvislosti, 1900), by Ladislav Klíma (page images at HathiTrust; US access only)
- Hauptschriften zur Grundlegung der Philosophie (Verlag der Dürr'schen Buchhandlung, 1904), by Gottfried Wilhelm Leibniz, Ernst Cassirer, and Artur Buchenau (page images at HathiTrust; US access only)
- Hauptschriften zur Grundlegung der Philosophie (Felix Meiner, 1903), by Gottfried Wilhelm Leibniz and Ernst Cassirer (page images at HathiTrust; US access only)
- Filosofiska och estetiska skrifter (P.A. Norstedt, 1913), by Esaias Tegnér, Bert Möller, and Albert Nilsson (page images at HathiTrust; US access only)
- Philosophisches Archiv. (C. Massdorf, 1792), by J. A. Eberhard (page images at HathiTrust)
- Some of the philosophical essays on socialism and science, religion, ethics, critique-of-reason and the world-at-large (C. H. Kerr, 1914), by Joseph Dietzgen, Joseph Dietzgen, Ernest Untermann, Eugene Dietzgen, F. A. Rotshtein, Max Beer, Fedar Arnovich Rothstein, Eugene. Dietzgen, and Max Beer (page images at HathiTrust; US access only)
- Einleitung in die Philosophie (W. Braumüller, 1919), by Wilhelm Jerusalem (page images at HathiTrust; US access only)
- Zeitschrift für positivistische Philosophie. (A. Tetzlaff, 1913), by Gesellschaft für Positivistische Philosophie (page images at HathiTrust; US access only)
- Disquisitions on several subjects (Printed for J. Dodsley, in Pall-Mall, 1782), by Soame Jenyns (page images at HathiTrust)
- Erste Gründe der gesammten Weltweisheit, darinn alle philosophische Wissenschaften in ihrer natürlichen Verknüpfung abgehandelt werden ... Zum Gebrauch academischer Lectionen entworfen, auch mit Kupfern und einem Register versehen (Verlegts Bernhard Christoph Breitkopf, 1736), by Johann Christoph Gottsched (page images at HathiTrust)
- Philosophische Schriften. (Gedruckt bey J. T. Edlen von Trattnern, 1968), by Moses Mendelssohn (page images at HathiTrust; US access only)
- Compendium summae philosophicae (Collegio Urbano, 1837), by Salvatore Maria Roselli (page images at HathiTrust)
- Elements of the philosophy of the human mind. (Printed for A. Strahan, and T. Cadell; [etc.,etc.], 1814), by Dugald Stewart (page images at HathiTrust)
- The light of nature pursued. (Printed by T. Jones, in Fetter-Lane; and sold by T. Payne, at the Mews-Gate, 1768), by Abraham Tucker (page images at HathiTrust)
- An inquiry into the human mind, on the principles of common sense (Printed by R. Tullis, 1823), by Thomas Reid (page images at HathiTrust)
- Observations on man, his frame, his duty, and his expectations. In two parts. (Reprinted by J. Johnson, 1791), by David Hartley and Hermann Andreas Pistorius (page images at HathiTrust)
- Die Grundzuge des gegenwartigen Zeitalters; in Vorlesungen, gehalten zu Berlin, in Jahre, 1804-5. (F. Eckardt, 1908), by Johann Gottlieb Fichte (page images at HathiTrust; US access only)
- Abhandlungen zur Philosophie und ihrer Geschichte. (M. Niemeyer, 1893) (page images at HathiTrust; US access only)
- Abridgment of the Light of nature pursued (J. Johnson, 1807), by Abraham Tucker and William Hazlitt (page images at HathiTrust)
- [Philosophia nominalium vindicata. (S. Cramoisy et G. Cramoisy?, 1651), by Jean Salabert (page images at HathiTrust)
- Cosmic philosophy, Outlines of (Houghton, Mifflin and company, 1874), by John Fiske (page images at HathiTrust)
- Essays: scientific, political, and speculative. (williams and Norgate, 1868), by Herbert Spencer (page images at HathiTrust)
- Essays : scientific, political, and speculative (D. Appleton, 1910), by Herbert Spencer (page images at HathiTrust)
- Kant's gesammelte Schriften. (De Gruyter, 1910), by Immanuel Kant, Akademie der Wissenschaften der DDR., and Deutsche Akademie der Wissenschaften zu Berlin (page images at HathiTrust; US access only)
- Promenades philosophiques. (Mercure de France, 1905), by Remy de Gourmont (page images at HathiTrust; US access only)
- The approach to philosophy (Longmans, Green, 1905), by Ralph Barton Perry (page images at HathiTrust; US access only)
- Bibliothèque de propagande. (Société anonyme de librairie., 1903), by Belgium) Société anonyme de librairie (Brussels (page images at HathiTrust; US access only)
- Brenner-Jahrbuch (Nendeln/Liechtenstein : Kraus Reprint, 1915), by Ludwig von Ficker (page images at HathiTrust; US access only)
- Encyclopädie der theoretischen philosophie. (J. B. Metzler, 1844), by Joseph Beck (page images at HathiTrust)
- Lectures on the philosophy of the human mind. (Glazier, Masters , & Smith, 1836), by Thomas Brown (page images at HathiTrust)
- De l'usage et de l'abus de l'esprit philosophique durant le XVIIIe siècle. (Moutardier, 1834), by Jean-Etienne-Marie Portalis and Joseph Marie Portalis (page images at HathiTrust)
- Vermischte Schriften über staatswirthschaftliche : philosophische und andere wissenschaftliche Gegenstände (F. Nicolovius, 1808), by Christian Jacob Kraus, Johannes Voight, and Hans Jakob von. Auerswald (page images at HathiTrust)
- Una filosofía estética (Sanmartí, 1920), by Mariano Ibérico (page images at HathiTrust; US access only)
- L'énergie spirituelle (F. Alcan, 1919), by Henri Bergson (page images at HathiTrust; US access only)
- Drei Essays über Grund- und Lebensfragen der philosophischen Wissenschaft (E. Trewendt, 1888), by Otto Caspari (page images at HathiTrust)
- The whole critical works of Monsieur Rapin in two volumes (Printed for R. Bonwicke and R. Wilkin [and 8 others], 1716), by René Rapin and Basil Kennett (page images at HathiTrust)
- Lectures on the philosophy of the human mind, with a memoir of the author by the Rev. David Welsh, minister of St. David's, Glasgow. (W. Tait, 1828), by Thomas Brown (page images at HathiTrust)
- Philosophy of Sir William Hamilton, bart. (D. Appleton & company, 1860), by William Hamilton and O. W. Wight (page images at HathiTrust)
- The friend; : a series of essays. (Printed for Gale and Curtis ..., 1812), by Samuel Taylor Coleridge (page images at HathiTrust)
- Philosophical works of Thomas Reid (James Thin;, 1895), by Thomas Reid and William Hamilton (page images at HathiTrust)
- Estudios religiosos, filosóficos, científicos y sociales (Imprenta de Policarpo Lopez, 1875), by Ceferino González y Díaz Tuñón (page images at HathiTrust)
- The life of reason; or, The phases of human progress. (Scribner, 1914), by George Santayana (page images at HathiTrust; US access only)
- Introduction to philosophy (H. Holt and Company, 1924), by Friedrich Paulsen and Frank Thilly (page images at HathiTrust)
- Illustrations of universal progress; a series of discussions. (D. Appleton, 1883), by Herbert Spencer (page images at HathiTrust)
- Schleiermachers Werke (Felix Meiner, 1910), by Friedrich Schleiermacher, A. Dorner, and Otto Braun (page images at HathiTrust; US access only)
- Jāmiʻ al-badāʼiʻ (Maṭbaʻat al-Saʻādah, 1917), by Muḥyī al-Dīn Ṣabrī Kurdī, Muḥammad ibn Aḥmad Bīrūnī, Omar Khayyam, and Avicenna (page images at HathiTrust; US access only)
- Oeuvres philosophiques de Bossuet, collationnées sur les meilleurs textes et précédées d'une introduction (G. Charpentier, 1870), by Jacques Bénigne Bossuet (page images at HathiTrust)
- Studi di filologia, filosofia e storia (U. Hoepli, 1913), by Elia Lattes (page images at HathiTrust; US access only)
- Sobranīe sochinenīĭ (Izdanīe knigoprodav͡tsa M.V. Kli͡ukina, in the 1900s), by Friedrich Wilhelm Nietzsche (page images at HathiTrust; US access only)
- Vvedenīe v filosofī͡iu (Svi͡ato-Troi͡tskai͡a Sergīeva lavra, 1908), by V. Kudri͡av͡tsev (page images at HathiTrust; US access only)
- On the future of out educational institutions. (T.N. Foulis, 1909), by Friedrich Wilhelm Nietzsche, Robert Guppy, Horace Barnett Samuel, Thomas Common, Paul Victor Cohn, Helen Zimmern, Adrian Collins, Anthony M. Ludovici, J. M. Kennedy, Maximilian A. Mügge, William August Haussmann, and Oscar Levy (page images at HathiTrust; US access only)
- The Elements of intellectual philosophy (Sheldon & Co., 1877), by Francis Wayland (page images at HathiTrust)
- Regeneration der Freimaurerei: ein Vortrag (R. Gerhard, 1909), by O. Kado (page images at HathiTrust; US access only)
- Der Zirkel des Freimaurers. Ein Nachtrag zu den "Rosen" und zum "Schwerdt." (G. Siwinna, 1882), by Theodor Doering (page images at HathiTrust)
- Die moderne Weltanschauung und die Freimaurerei. (J.G. Findel, 1885), by J. G. Findel (page images at HathiTrust)
- Die Grundsätze der Freimaurerei im Völkerleben. Ein Geschichtsphilosophisches Erbauungsbuch. (J.G. Findel, 1881), by J. G. Findel (page images at HathiTrust)
- Die Grundsätze der Freimaurerei im Völkerleben. Ein Geschichtsphilosophisches Erbauungsbuch. (J.G. Findel, 1892), by J. G. Findel (page images at HathiTrust)
- Freimaurerei als Lebenskunst. (Franz Wunder, 1911), by Carl Nicolai Starcke (page images at HathiTrust; US access only)
- Le credo philosophique d'un fracmaçon. Thèse maçonnique (n.p., 1900), by Jean Eriam (page images at HathiTrust; US access only)
- Della consolazione della filosofia ([L. Torrentino], 1551), by Boethius and Benedetto Varchi (page images at HathiTrust)
- Illustrations of universal progress; a series of discussions. (D. Appleton, 1875), by Herbert Spencer (page images at HathiTrust)
- The unfolding universe (The Pilgrim press, 1915), by Edgar Laing Heermance (page images at HathiTrust)
- Philosophical discussions (H. Holt and company, 1877), by Chauncey Wright and Charles Eliot Norton (page images at HathiTrust)
- The complex vision (Dodd, Mead and company, 1920), by John Cowper Powys (page images at HathiTrust)
- Suggestive essays on various subjects. Creation vs. evolution ... (The Blakely Printing Co., 1894), by David Harvey Lamberson (page images at HathiTrust)
- The life of reason (C. Scribner's sons, 1922), by George Santayana (page images at HathiTrust)
- The cosmic God. A fundamental philosophy in popular lectures. (Office American Israelite and Deborah, 1876), by Isaac Mayer Wise (page images at HathiTrust)
- The elements of intellectual philosophy. (Sheldon & company, 1866), by Francis Wayland (page images at HathiTrust)
- The will to believe, and other essays in popular philosophy (Longmans, Green, and Co., 1897), by William James (page images at HathiTrust)
- Philosophy as a science; a synopsis of the writings of Dr. Paul Carus (The Open court publishing company; [etc., etc.], 1909), by Paul Carus (page images at HathiTrust)
- An inquiry into the human mind, on the principles of common sense. (Stirling & Slade [etc.], 1819), by Thomas Reid (page images at HathiTrust)
- Essais de philosophie critique (F. Chamerot, 1864), by E. Vacherot (page images at HathiTrust)
- Philosophical essays; to which are subjoined, copious notes, critical and explanatory, and a supplementary narrative; with an appendix. (J. Conrad, 1816), by James Ogilvie (page images at HathiTrust)
- Some of the philosophical essays on socialism and science, religion, ethics, critique-of-reason, and the world-at-large (C. H. Kerr & company, 1917), by Joseph Dietzgen, Joseph Dietzgen, Ernest Untermann, Eugen Dietzgen, Theodore Rothstein, and Max Beer (page images at HathiTrust)
- Compendium logicæ et metaphysicæ. (typis "Catholic protectory,", 1874), by Louis Jouin (page images at HathiTrust)
- Philosophy: what is it? (University press;, 1914), by Frank Byron Jevons (page images at HathiTrust; US access only)
- Essays I-XXX (Cambridge, Mass., 1910), by Arthur Searle (page images at HathiTrust)
- The last word; being an announcement of the ultimate generalization of science and a solution of popular problems in religion and philosophy (Broadway publishing co., 1910), by James Lauer Baldwin and Mary Elizabeth Baldwin (page images at HathiTrust)
- Elementos de philosophia racional, para uso das escholas (J.A. Orcel, 1868), by João Antonio de Sousa Doria (page images at HathiTrust)
- Curso elementar de philosophia ... (Typographia da revista, 1863), by Antonio Ribeiro da Costa e Almeida (page images at HathiTrust)
- Cours de philosophie, rédigé d'après le programme pour le baccalauréat (J. Delalain, 1846), by Nicolas Eugène Geruzez (page images at HathiTrust)
- Elements of philosophy (J. Murphy & company;, 1873), by Walter H. Hill (page images at HathiTrust)
- Essays on the perception of an external universe (J. Hathchard and son, 1827), by Mary Shepherd (page images at HathiTrust)
- Lectures on mental philosophy and theology. (M. W. Dodd, 1846), by James Richards and S. H. Gridley (page images at HathiTrust)
- Philosophical theories and philosophical experience. (W. Pickering, 1841), by Caroline Frances Cornwallis (page images at HathiTrust)
- Philosophical catechism of the natural laws of man. (Marsh, Capen and Lyon, 1832), by J. G. Spurzheim (page images at HathiTrust)
- The idea of God in the light of recent philosophy : the Gifford lectures delivered in the University of Aberdeen in the years 1912 and 1913 (Oxford university press, 1920), by A. Seth Pringle-Pattison (page images at HathiTrust; US access only)
- Summa philosophica juxta scholasticorum principia complectens logicam et metaphysicam. (apud Thomam B. Noonan et socium, 1885), by Nicholas Russo (page images at HathiTrust)
- Philosophy (Saunders, Otley, and co., 1861), by James Haig (page images at HathiTrust)
- Science and philosophy ... (Skeen & Stuart, 1880), by Samuel Fleming (page images at HathiTrust)
- What Ormond thinks (The Blakely printing company, 1894), by David Harvey Lamberson (page images at HathiTrust)
- Metaphysical essays. (Freedom publishing company, 1895), by Charles Cyrel Post (page images at HathiTrust)
- The super-Icarus (The Roxburgh Publishing Company Inc., 1920), by Leslie Reiser (page images at HathiTrust)
- The method, meditations and philosophy of Descartes (M. W. Dunne, 1901), by René Descartes and John Veitch (page images at HathiTrust; US access only)
- The influence of Darwin on philosophy, and other essays in contemporary thought (H. Holt and company, 1910), by John Dewey (page images at HathiTrust)
- Illustrations of universal progress; a series of discussions. (D. Appleton and company, 1878), by Herbert Spencer (page images at HathiTrust)
- Illustrations of universal progress; a series of discussions. (D. Appleton and company, 1880), by Herbert Spencer (page images at HathiTrust)
- The will to believe : and other essays in popular philosophy (Longmans, Green and Co., 1903), by William James (page images at HathiTrust)
- The will to believe : and other essays in popular philosophy (Longmans, Green, and Co., 1912), by William James (page images at HathiTrust)
- Der organismus der philosophischen idee in wissenschaftlicher und geschichtlicher hinsicht. (Arnold, 1842), by Joseph Hillebrand (page images at HathiTrust)
- System der philosophie als evidente wissenschaft (J. C. Hinrichs, 1804), by Jakob Friedrich Fries (page images at HathiTrust)
- Select essays of Arthur Schopenhauer (Sentinel Company, Printers, 1881), by Arthur Schopenhauer, Charles August Paul Dachsel, and Garrett Droppers (page images at HathiTrust)
- Discussions of philosophical questions (The Presbyterian committee of publication, 1900), by John Lafayette Girardeau and George Andrew Blackburn (page images at HathiTrust)
- The philosophy of things ([Pub. by the author], 1922), by James Henry Ferguson (page images at HathiTrust)
- An introduction to the science of thought. (Tracy, Gibbs & co., 1892), by Stephen Southric Hebberd (page images at HathiTrust)
- Father Payne. (G.P. Putnam's sons, 1916), by Arthur Christopher Benson (page images at HathiTrust; US access only)
- Introduction to the study of philosophy (A. C. Armstrong & son, 1888), by John Henry Wilburn Stuckenberg (page images at HathiTrust)
- Essays aesthetical and philosophical; including the dissertation on the "Connexion between the animal and spiritual in man." (G. Bell, 1882), by Friedrich Schiller (page images at HathiTrust)
- Samlede skrifter. (Kjøbenhavn, 1918), by Ludvig Feilberg (page images at HathiTrust; US access only)
- Characteristics from the writings of John Henry Newman, being selections: personal, historical, philosophical, and religious from his various works. (H. S. King, 1876), by John Henry Newman and William Samuel Lilly (page images at HathiTrust)
- Hauptprobleme der philosophie. (Göschen, 1917), by Georg Simmel (page images at HathiTrust; US access only)
- Lectures on the philosophy of Kant and other philosophical lectures & essays (Kraus Reprint Co., 1905), by Henry Sidgwick and James Ward (page images at HathiTrust)
- The philosophy of life, and philosophy of language : in a course of lectures (Bell & Daldy, 1872), by Friedrich von Schlegel (page images at HathiTrust)
- Introduction and reason in common sense (Charles Scribner's Sons, 1922), by George Santayana (page images at HathiTrust)
- Einleitung in die Philosophie (A. Kröner, 1914), by Wilhelm Max Wundt (page images at HathiTrust; US access only)
- Philosophy series. (George Washington University, 1905), by George Washington University (page images at HathiTrust; US access only)
- Grundriss der geschichte der philosophie (E.S. Mittler & Sohn, 1923), by Friedrich Ueberweg, Traugott Konstantin Oesterreich, Willy Moog, Max Frischelsen-Köhler, Bernhard Geyer, and Karl Praechter (page images at HathiTrust; US access only)
- Herder's philosophical poems (1912), by Sara Adelaide Fleming (page images at HathiTrust; US access only)
- Quae socratis de diis et daemonio fuerint opiniones, et quae xenophonti platonique in iis tradendis fides adjungenda sit explicatur (1870), by Bronislaus Cybichowski (page images at HathiTrust)
- System der philosophie. Erster Teil : Allgemeine Grundlegung der Philosophie. (Mohr, 1921), by Heinrich Rickert (page images at HathiTrust; US access only)
- The elements of intellectual philosophy (Phillips, Sampson and Co. ;, 1855), by Francis Wayland (page images at HathiTrust)
- Elements of philosophy : comprising logic and ontology or general metaphysics (John Murphy, 1879), by Walter H. Hill (page images at HathiTrust)
- Introduzione allo studio della filosofia (Tipografia Elvetica, 1849), by Vincenzo Gioberti (page images at HathiTrust)
- Cours de philosophie élémentaire (Jacques Lecoffre, 1865), by Clément Gourju (page images at HathiTrust)
- Naturgesetze zur bildung des menschengeistes (J.E. v. Seidel, 1826), by Ildefonso Andreas Holzwart (page images at HathiTrust)
- Primer of philosophy (The Open court Pub. Co., 1904), by Paul Carus (page images at HathiTrust)
- Philosophy : its relation to life and education : inaugural address. ([Toronto, 1889), by James Mark Baldwin (page images at HathiTrust)
- The function of philosophy at the present time. ([S.l., in the 19th century), by William Angus Knight (page images at HathiTrust; US access only)
- Entwurf zu einer Psychosophie ([s.n.], 1901), by Felix Lewin (page images at HathiTrust; US access only)
- Ḥokhmeh fun lebn (Maḳs Yanḳoṿiṭsh, in the 1910s), by Arthur Schopenhauer and N. Perlman (page images at HathiTrust)
- Filosofye (Farlag Di Heym, 1920), by Wilhelm Jerusalem and M. Ḳaṭts (page images at HathiTrust)
- Einleitung in die philosophie (J.G. Cotta, 1920), by Friedrich Paulsen (page images at HathiTrust; US access only)
- Søren Kierkegaards Papirer (Gyldendal, 1909), by Søren Kierkegaard, Einer Torsting, Victor Kuhr, and P. A. Heiberg (page images at HathiTrust; US access only)
- Einführung in die Hauptfragen der Philosophie (Quelle & Meyer, 1919), by Rudolf Eucken (page images at HathiTrust; US access only)
- Pages choises des grands écrivains (Paris, 1916), by Jean-Marie Guyau (page images at HathiTrust; US access only)
- Oeuvres choisies; Discours de la méthode, Méditations métaphysiques, Des passions en général, Règles pour la direction de l'esprit, Recherches par la lumière naturelle, etc. (Garnier,), by René Descartes (page images at HathiTrust; US access only)
- Filosofskie ocherki. (Izd. I. P. Matchenko, 1906), by N. Strakhov (page images at HathiTrust; US access only)
- Borʹba za logos; opyty filosofskīe i kriticheskīe. ("Putʹ", 1911), by Vladimir Frantsevich Ern (page images at HathiTrust; US access only)
- Testament eines deutschen; hinterlassenes Werk (F. Fues, 1881), by Karl Christian Planck and Karl Reinhold von Köstlin (page images at HathiTrust)
- Estudios, disertaciones y ensayos filosófico-literarios (Fando é Hijo, 1880), by Saturnino Milego é Inglada (page images at HathiTrust)
- The works of Thomas Reid, D.D. : now fully collected, with selections from his umpublished letters (Maclachlan and Stewart, 1846), by Thomas Reid, Dugald Stewart, and William Hamilton (page images at HathiTrust)
- Lectures on the philosophy of Kant (Thoemmes Press, 1996), by Henry Sidgwick (page images at HathiTrust; US access only)
- Ideen, Reflexionen und Betrachtungen aus Schleiermachers Werken (G. Reimer, 1854), by Friedrich Schleiermacher and Ludwig von Lancizolle (page images at HathiTrust)
- Adónde vamos? ([L. J. Rosso], 1915), by Agustín Alvarez and Nicolás Besio Moreno (page images at HathiTrust; US access only)
- Statʹi istoriko-filosofskīi︠a︡ (Revoli︠u︡t︠s︡īonnai︠a︡ myslʹ, 1918), by P. L. Lavrov (page images at HathiTrust; US access only)
- An examination of Sir William Hamilton's philosophy : and of the principal philosophical questions discussed in his writings (Longmans, Green, and Co., 1889), by John Stuart Mill (page images at HathiTrust)
- Philosophical essays on various subjects : viz., space, substance, body, spirit, the operations of the soul in union with the body ... with some remarks on Mr. Locke's Essay on the human understanding ; to which is subjoined A brief scheme of ontology (Printed for J. Brackstone, 1742), by Isaac Watts (page images at HathiTrust)
- Shisaku to taiken (Senshōkan, 1915), by Kitarō Nishida (page images at HathiTrust; US access only)
- De Cornelii Labeonis fragmentis, studiis, adsectatoribus ... (Marburgi Chattorum, 1889), by Cornelius Labeo and Jacob Mülleneisen (page images at HathiTrust)
- De antiochi ascalontae vita et doctrina (1854), by Carolus Chappuis (page images at HathiTrust)
- De Aristophanis Ecclesiazusarum argumento, e quarto Reipublicae Platonis libro sumpto ... (Halis Saxonum, 1880), by Paul Stein (page images at HathiTrust)
- Sphaeram Empedoclis quae dicitur. (Hirschfeld, 1897), by Empedocles and Felix Wieck (page images at HathiTrust)
- Einführung in die philosophie (G.J. Göschen, 1916), by Max Wentscher (page images at HathiTrust; US access only)
- Einleitung in die philosophie (J.C.B. Mohr (P. Siebeck), 1920), by W. Windelband (page images at HathiTrust; US access only)
- Saggi critici; serie prima. (Ricciardi, 1921), by Giovanni Gentile (page images at HathiTrust; US access only)
- The doctrine of degree in knowledge, truth, and reality (Pub. for the British Academy by H. Milford, 1919), by Richard Burdon Haldane and London British Academy (page images at HathiTrust)
- Philosophische essays nebst einer auswahl von gedichten aus dem papieren des grafen Eduard Anton von Königsfels im testamentarischen auftrag seiner witwe herausgegeben. (Dresden, 1883), by Eduard Anton Königsfels (page images at HathiTrust)
- Recent discussions in science, philosophy, and morals (D. Appleton and Company, 1884), by Herbert Spencer (page images at HathiTrust)
- Le "dogme" transformiste et la philosophie (La Renaissance du livre, 1918), by Docteur Grasset (page images at HathiTrust; US access only)
- Johann Friedrich Herbart's Allgemeine praktische Philosophie. (Hamburg, 1891), by Johann Friedrich Herbart (page images at HathiTrust)
- The philosophy of life, and philosophy of language, in a course of lectures (Bell & Daldy, 1866), by Friedrich von Schlegel and Alexander James William Morrison (page images at HathiTrust)
- Elementorum recentioris philosophiae (Apud ... Joseph. A. Jauregui, 1774), by Juan Benito Díaz de Gamarra (page images at HathiTrust)
- Principj di scienza nuova di Giambattista Vico, d' intorno alla comune natura delle nazioni (Dalla tip. di Giovanni Silvestri, 1816), by Giambattista Vico and Carlo Rampoldi (page images at HathiTrust)
- The will to power : an attempted transvaluation of all values (T.N. Foulis, 1910), by Friedrich Wilhelm Nietzsche and Anthony M. Ludovici (page images at HathiTrust; US access only)
- Li xue gou xuan (Guang zhi shu ju, 1902), by Chōmin Nakae (page images at HathiTrust; US access only)
- Zhe xue yao ling (Guang zhi shu ju, 1902), by Enryō Inoue (page images at HathiTrust; US access only)
- Vnutrennīĭ krug : o "posli︠e︡dneĭ cherti︠e︡" i o sverkhchelovi︠e︡ki︠e︡ : dvi︠e︡ lekt︠s︡īi (Tip. Spb. T-va pech. i izd. di︠e︡la "Trud", 1913), by P. D. Uspenskii (page images at HathiTrust; US access only)
- Philosophical dialogues and fragments. (Trübner & co., 1883), by Ernest Renan and Ras Bihari Mukharji (page images at HathiTrust)
- Tetsuri bigen (Yūgakusha, 1903), by Enryō Inoue and Hōshin Kawajiri (page images at HathiTrust; US access only)
- Wu yuan zhe xue (Tai dong tu shu ju, 1922), by Qianzhi Zhu (page images at HathiTrust; US access only)
- Elementa philosophiae christianæ ad mentem S. Thomæ Aquinatis exposita (s.n.], 1909), by Stanislas-A. Lortie (page images at HathiTrust; US access only)
- Elementa philosophiae christianæ ad mentem S. Thomæ Aquinatis exposita (s.n.], 1912), by Stanislas-A. Lortie (page images at HathiTrust; US access only)
- Elementa philosophiæ christianæ ad mentem S. Thomæ Aquinatis exposit (s.n.], 1917), by Stanislas-A. Lortie (page images at HathiTrust; US access only)
- The elements of intellectual philosophy (D. & J. Sadlier, 1878), by J. De Concilio (page images at HathiTrust)
- Post-prandial philosophy (Chatto & Windus, 1894), by Grant Allen (page images at HathiTrust)
- Prof. Young's doctrine of 'Freedom & necessity' (s.n., 1872), by Albert Carman and George Paxton Young (page images at HathiTrust)
- The value of a study of ethics an inaugural lecture (J.E. Bryant, 1891), by James Gibson Hume (page images at HathiTrust)
- An examination of the utilitarian theory of morals (J. & J. Sutherland, 1885), by Francis R. Beattie (page images at HathiTrust)
- Essays, scientific and philosophical with memoirs of the author (K. Paul, Trench, Trubner, 1890), by Aubrey L. Moore (page images at HathiTrust)
- Man, the architect of his own fortune a lecture (s.n.], 1862), by J. H. Johnson (page images at HathiTrust)
- Short speculative essays (s.n.], 1882), by Robert Brockholes Thomas (page images at HathiTrust)
- Comte, Mill, and Spencer: an outline of philosophy (J. Maclehouse;, 1895), by John Watson (page images at HathiTrust)
- An outline of philosophy with notes historical and critical (J. Maclehose;, 1898), by John Watson (page images at HathiTrust; US access only)
- Philosophy of life ([s.n.], 1896), by D. L. Estrange (page images at HathiTrust)
- Causeries la liberté vs. la mode & al, et la politique ([s.n.], 1886), by Anti-dude (page images at HathiTrust)
- Philosophie questions diverses en rapport avec le nouveau programme de philosophie des collèges de la province de Québec affiliés à l'Université Laval ([s.n.], 1897), by Domenico Palmieri (page images at HathiTrust)
- Institutiones philosophicæ ad usum studiosæ juventutis (s.n.], 1835), by Jérôme Demers (page images at HathiTrust)
- The philosophy of thought a lecture delivered at the opening of the Free Church College, Halifax, Nova Scotia, session 1852-3 (J. Barnes, 1853), by William Lyall (page images at HathiTrust)
- Zhyti͡e i nauka hretsʹkoho filʹozofa Sokrata (Ukraïnsʹka vyd. spilka, 1917), by Marii͡a Hrinchenko (page images at HathiTrust; US access only)
- Theses ex universa philosophia quas ... in Collegio Immaculatae Conceptionis provinciae canadensis soc. Iesu die 25 maii 1914 propugnandas conscripsit Carolus Eduardus Lefebvre scholasticus eiusdem societatis (s.n.], 1914), by Charles Édouard Lefebvre (page images at HathiTrust; US access only)
- A philosophy of purpose (s.n., 1920), by W. D. Lighthall (page images at HathiTrust; US access only)
- Fragments of philosophy democracy ([s.n.], 1920), by George Motion (page images at HathiTrust; US access only)
- Synopsis definitionum philosophicarum ad programma Lavallense digesta (C.O. Beauchemin, 1879) (page images at HathiTrust)
- Philosophy as the science of sciences inaugural address delivered at the convocation of Dalhousie University, Halifax, N. S., Oct. 18, 1887 (s.n.,], 1887), by James Seth and Dalhousie University (page images at HathiTrust)
- Mental and moral philosophy (s.n.], 1882), by Alexander Nicol (page images at HathiTrust)
- Synopsis definitionum philosophicarum ad programma Lavallense digesta (s.n.], 1883), by Université Laval (page images at HathiTrust)
- La normalienne en philosophie et aux sources de la pédagogie (s.n.], 1914), by Sylvio Corbeil (page images at HathiTrust; US access only)
- Leçons de logique (Impr. de l'Action sociale, 1915), by Arthur Robert (page images at HathiTrust; US access only)
- Theses philosophicæ octo numero in usum adeuntium baccalaureatum in scientiis (s.n.], 1902), by Stanislas-A. Lortie (page images at HathiTrust)
- Essays, aesthetical and philosophical, including the dissertation on the "Connexion between the animal and spiritual in man," (G. Bell and Sons, 1900), by Friedrich Schiller (page images at HathiTrust; US access only)
- The will to believe : and other essays in popular philosophy (Longmans, Green, 1899), by William James (page images at HathiTrust)
- The will to believe : and other essays in popular philosophy (Longmans, Green, 1907), by William James (page images at HathiTrust)
- The will to believe : and other essays in popular philosophy (Longmans, Green, 1904), by William James (page images at HathiTrust)
- Herakleitos von Ephesos : [Fragments] (Weidmannsche Buchhandlung, 1901), by Heraclitus of Ephesus and Hermann Diels (page images at HathiTrust; US access only)
- Cosmic philosophy, Outlines of. (Houghton, Mifflin and Co., 1874), by John Fiske (page images at HathiTrust)
- Zur Analysis der Wirklichkeit : philosophische Untersuchungen (Trübner, 1876), by Otto Liebmann (page images at HathiTrust)
- Miscellanea philosophica (Published for the Wyclif Society by Trübner, 1902), by John Wycliffe and Michael Henry Dziewicki (page images at HathiTrust; US access only)
- Pragmatism, a new name for some old ways of thinking : popular lectures on philosophy (Longmans, Green, 1922), by William James (page images at HathiTrust; US access only)
- Jenseits von Gut und Böse : Vorspiel einer Philosophie der Zukunft (C. G. Naumann, 1886), by Friedrich Wilhelm Nietzsche and Chr Lemcke (page images at HathiTrust)
- Essays, scientific, political, and speculative (D. Appleton, 1891), by Herbert Spencer (page images at HathiTrust)
- Kultura i zycie; zagadnienia szutuki i twórczości w walce o światopoglad. (Bołoniecki, 1907), by Stanisław Brzozowski (page images at HathiTrust; US access only)
- Cursus der Philosophie als streng wissenschaftlicher Weltanschauung und Lebensgestaltung (E. Koschny, 1875), by E. Dühring (page images at HathiTrust)
- The sentiment of rationality (Longmans, Green and Co., 1905), by William James (page images at HathiTrust)
- Philosophische Abhandlungen : Max Heinze zum 70. Geburtstage gewidmet von Freunden und Schülern. (E. S. Mittler, 1906) (page images at HathiTrust; US access only)
- Estudios literarios y filosoficos (Librerbia, "La Nueva principal,", 1883), by Enrique José Varona (page images at HathiTrust)
- La volonté de puissance : essai d'une transmutation de toutes les valeurs (études et fragments) (Société du Mercure de France, 1903), by Friedrich Wilhelm Nietzsche (page images at HathiTrust)
- Grundzüge der Logik und Encyclopädie der Philosophie : Diktate aus den Vorlesungen. (S. Hirzel, 1891), by Hermann Lotze (page images at HathiTrust)
- Dissertations and discussions : political, philosophical, and historical (Henry Holt and Co., 1882), by John Stuart Mill (page images at HathiTrust)
- Natur- und Kulturwissenschaft. Vortrag gehalten am 27. Februar 1903 in der Philosophischen Gesellschaft an der Universität zu Wien (Verlag der Philosophischen Gesellschaft an der Universität zu Wien, 1903), by Adolf Menzel (page images at HathiTrust; US access only)
- Drei vorträge zur psychophysik der moral und des rechtes aus den jahren 1874-1875 von ... (Josef Schwarzinger, 1890), by Moriz Benedikt (page images at HathiTrust)
- Mysticism and logic, and other essays (Longmans, Green and co., 1919), by Bertrand Russell (page images at HathiTrust)
- Leçons de philosophie (F. Juven, 1907), by Paulin Malapert (page images at HathiTrust; US access only)
- Filosofskīe ocherki. (Tipografii︠a︡ br. Panteleevykh, 1895), by N. Strakhov (page images at HathiTrust)
- Raumanschauung und formale logik (C. Konegen, 1886), by Alfred Maria Julius Berger (page images at HathiTrust)
- Die metaphysischen theorien von den beziehungen zwischen leib und seele (F. Tempsky, 1897), by Alois Höfler (page images at HathiTrust)
- El hombre como fundamento y fin de todos los derechos ... (Sánchez & De Guise, 1899), by Eliseo Solis (page images at HathiTrust; US access only)
- Az enciklopédisták etikája és jogbölcselete. (Uránia könyvnyomda, 1906), by J. Schlachter (page images at HathiTrust; US access only)
- A positiv bölcselet hatása hazánk jog- és állambölcselöire. (Kiadja a Szent-István-Társulat Tudományos és irodalmi osztálya, 1900), by János Surányi (page images at HathiTrust; US access only)
- Erkölcsiség szabadakarat nélkül. (Nyomatott a Város könyvnyomdájában, 1887), by János Öreg (page images at HathiTrust)
- Rosmini-Serbati tana az eszmék eredetéröl. ([Franklin-Társulat nyomdája], 1890), by Zoltán Pázmány (page images at HathiTrust)
- Szabadság és egyenlöség ... (Pallas részvénytársaság nyomdája, 1907), by Mihály Réz (page images at HathiTrust; US access only)
- Darwin e la scienza moderna. (Monti, 1886), by Giovanni Capellini and Angelo Camillo de Meis (page images at HathiTrust)
- I presupposti del diritto penale classico ... (Fava e Garagnani, 1891), by Michele Angelo Vaccaro (page images at HathiTrust)
- El futurisme; conferencia llegida en l'Ateneo barcelonés la nit del 18 de juny de 1904. (Barcelona, 1905), by Gabriel Alomar Esteve (page images at HathiTrust; US access only)
- The place of philosophy and economics in the curriculum of a modern university; read in part as the Founder's day address, Lehigh university, October 4th, 1913 (Press of J. B. Lippincott company, 1913), by C. W. Macfarlane (page images at HathiTrust)
- Ryōsen bunshū (Hidata Yūrindō, 1905), by Ryōsen Tsunashima (page images at HathiTrust; US access only)
- Vorträge und Abhandlungen. 3. Sammlung. (Fues, 1884), by Eduard Zeller (page images at HathiTrust)
- Paradoxical pain (Sherman, French & Co., 1916), by Robert Maxwell Harbin (page images at HathiTrust)
- The philosophical works of John Locke (George Bell & Sons, 1892), by John Locke and James Augustus St. John (page images at HathiTrust)
- Selections from the dialogues of Plato (Clarendon press, 1883), by Plato and John Purves (page images at HathiTrust)
- La morale e il diritto in Socrate. (Fratelli Bocca, 1886), by Marco Lessona (page images at HathiTrust)
- Études philosophiques et littéraires. (M. Lévy frères, etc., 1875), by Louis Vitet (page images at HathiTrust)
- Elementary course of Christian philosophy : based on the principles of the best scholastic authors. (O'Shea, 1893), by Christian Brothers (page images at HathiTrust)
- Die Zusammenhang der Dinge : gesammelte philosophische Aufsätze (Trewendt, 1881), by Otto Caspari (page images at HathiTrust)
- Variétes philosophiques (F. Alcan, 1900), by J.-P. Durand de Gros (page images at HathiTrust; US access only)
- Enigmas of life (K. Paul, Trench, Trübner, 1891), by William R. Greg (page images at HathiTrust)
- Lessons in scholastic philosophy (P. Reilly; [etc., etc.], 1912), by Michael Shallo (page images at HathiTrust)
- Anthroposophie im Umriss : entwurf eines Systems idealer Weltansicht auf readlistischer Grundlage (Braumüller, 1882), by Robert Zimmerman (page images at HathiTrust)
- Philosophie als wissenschaft (The Open Court Publishing Company, 1911), by Paul Carus (page images at HathiTrust)
- Szocziológia alapvetöi: Comte és Spencer. (Lepage L., 1906), by Artúr Balogh (page images at HathiTrust; US access only)
- L'idée du droit et l'école anglaise ... (A. Rousseau, 1905), by Benone Mirinesco (page images at HathiTrust; US access only)
- Also sprach Zarathustra : ein Buch für alle und keinen (Alfred Kröner, 1919), by Friedrich Wilhelm Nietzsche (page images at HathiTrust; US access only)
- Philosophie : Einführung in die Wissenschaft, ihr Wesen und ihre Probleme (B.G. Teubner, 1908), by Hans Richert (page images at HathiTrust; US access only)
- Einleitung in die Philosophie (Braumüller, 1909), by Wilhelm Jerusalem (page images at HathiTrust; US access only)
- Vvedenie v filosofii︠u︡ (Tipo-lit. K. Birkenfelʹda, 1902), by Wilhelm Jerusalem (page images at HathiTrust; US access only)
- Lehrbuch für den ersten unterricht in der philosophie (J.A. Brockhaus, 1833), by August Matthiä (page images at HathiTrust)
- Acht Abhandlungen : Herrn Karl Ludwig Michelet zum 90. Geburtstag als Festschrift dargereicht (C.E.M. Pfeffer, 1892), by Adolf Lasson, Karl Ludwig Michelet, and Philosophische Gesellschaft zu Berlin (page images at HathiTrust)
- Das verhältnis der philosophie zur empirischen wissenschaft von der natur : ... nebst einem anhange, Widerlegung von Cl. Baeumker's immanenter kritik des gefühls als metaphysischen princips. (Wien, 1894), by ritter von Feldegg Ferdinand (page images at HathiTrust)
- Vernunstwissenschaft (in commission bei L. Overwetter, 1857), by Joh. Mathias Seling (page images at HathiTrust)
- Linterna mágica (Impr. Editorial Bilbaína, 1919), by T. Mendive and Miguel de Unamuno (page images at HathiTrust; US access only)
- Die Polarität als grundlage einer einheitlichen lebensanschauung. (Berlin, 1907), by Ernst Eberhardt-Humanus (page images at HathiTrust; US access only)
- Filosofskai︠a︡ khrestomatii︠a︡. (St. Peterburg, 1907), by Alois Riehl (page images at HathiTrust; US access only)
- Lectures variées de littérature et de morale. (Paris, 1890), by Paul Janet (page images at HathiTrust)
- Pensées de Pascal, précédées de sa vie (Firmin-Didot et cie, 1887), by Blaise Pascal, Pierre Nicole, and Gilberte Pascal Périer (page images at HathiTrust)
- Pages choisies (Mercure de France, 1899), by Friedrich Wilhelm Nietzsche and Henri Albert (page images at HathiTrust; US access only)
- Über die Einheit der Gesetze. (Pierersche Hofbuchdr. S. Geibel], 1907), by A. Arndt (page images at HathiTrust; US access only)
- L'individualisme et l'esprit de corps; discours. (Vagner, Imprimeur de la cour d'appel, 1899), by Henri Duhaut (page images at HathiTrust; US access only)
- Katechismus des kulturmenschen (H. Conitzer, 1891), by Georg Korn (page images at HathiTrust)
- Die wissenschaften und die wissenschaft ... (Max Cohen, 1889), by Joseph Neuhaeuser (page images at HathiTrust)
- Ainsi parlait Zarathoustra: un livre pour tout le monde et personne. (Paris, 1898), by Friedrich Wilhelm Nietzsche (page images at HathiTrust; US access only)
- Al di là del bene e del male; preludio d'una filosofia dell'avvenire. (Torino [etc.], 1898), by Friedrich Wilhelm Nietzsche (page images at HathiTrust; US access only)
- Hume, with helps to the study of Berkeley : essays (Macmillan, 1894), by Thomas Henry Huxley (page images at HathiTrust)
- Werke : Taschenausgabe. (C. G. Naumann, 1906), by Friedrich Wilhelm Nietzsche (page images at HathiTrust; US access only)
- Summa philosophiae : ex variis libris D. Thomae Aquinatis doctoris angelici (Lethilleux, 1885), by Saint Thomas Aquinas and Cosmo Alamanno (page images at HathiTrust)
- Über die Grenzen des Naturerkennens. (Verlag Von Veit, 1872), by Emil Du Bois-Reymond (page images at HathiTrust)
- Problem der gegebenheit. (B. Cassirer, 1903), by Paul Stern (page images at HathiTrust; US access only)
- Die Welt als Wille und Vorstellung (A. Kröner Verlag, 1911), by Arthur Schopenhauer and Heinrich Schmidt (page images at HathiTrust; US access only)
- An examination of Sir William Hamilton's philosophy, and of the principal philosophical questions discussed in his writings. (H. Holt and Co., 1877), by John Stuart Mill (page images at HathiTrust)
- Philosophy higher than science : an address delivered before the Association of the Alumni of Bowdoin College, Brunswick, Me., July 12, 1876 (Daily Press Printing House, 1876), by Thomas Hill and Bowdoin College (page images at HathiTrust)
- Können wir etwas von Gott wissen? : Ein Beitrag zur Erkenntnisslehre. (Erich Koschny, 1875), by Pontus Wikner (page images at HathiTrust)
- Studies of good and evil : a series of essays upon problems of philosophy and of life. (D. Appleton, 1902), by Josiah Royce (page images at HathiTrust; US access only)
- Religion: a dialogue, and other essays. (S. Sonnenschein & co., 1890), by Arthur Schopenhauer and T. Bailey Saunders (page images at HathiTrust)
- Science, philosophy and religion : lectures delivered before the Lowell Institute, Boston (G. P. Putnam & Sons, 1872), by John Bascom (page images at HathiTrust)
- Synthetic philosophy (Appleton, 1889), by Herbert Spencer and F. Howard Collins (page images at HathiTrust)
- The unfolding universe (The Pilgrim press, 1915), by Edgar L. Heermance (page images at HathiTrust)
- Systematische philosophie (B. G. Teubner, 1908), by Wilhelm Dilthey and Alois Riehl (page images at HathiTrust; US access only)
- A modern Zoroastrian (Chapman and Hall, 1892), by S. Laing (page images at HathiTrust)
- Gesammelte aufsätze zur philosophie und lebensanschauung (Dürr'sche buchhandlung, 1903), by Rudolf Eucken (page images at HathiTrust; US access only)
- Präludien : Aufsätze und Reden zur Einleitung in die Philosophie (J.C.B. Mohr (P. Siebeck), 1907), by W. Windelband (page images at HathiTrust; US access only)
- Philosophische Studien (Wilhelm Engelmann, 1883), by Wilhelm Max Wundt (page images at HathiTrust)
- Keur uit de werken van Sören Kierkegaard (Erven F. Bohn, 1906), by Søren Kierkegaard and R. M. Chantepie de la Saussaye (page images at HathiTrust; US access only)
- The possibility of spiritual science : a criticism of materialism and exclusive phenomenalism (Leonard c. Bowles, 1872), by Clay McCauley (page images at HathiTrust)
- Ethische Abhandlungen (Otto Schulze Berlag, 1889), by Georg Friedrich Tepe (page images at HathiTrust)
- Bij denkers en dichters : studies in schoonheid en wijsheid (L. J. Veen, 1900), by Henri Wilhelm Philip Elise van den Bergh van Eysinga (page images at HathiTrust; US access only)
- Ethics and philosophy (Conservator, 1891), by William Mackintire Salter (page images at HathiTrust)
- Anselmi Cantuariensis philosophia cum aliorum illius aetatis decretis comparatur ejusdemque de satisfactione doctrina dijudicatur dissertatio inauguralis ... (Apud Reislandum, 1867), by Emil Höhne (page images at HathiTrust)
- Arthur Schopenhauer kurze Darstellung seines Lebens unter Berücksichtigung seiner Werke (Hermann Beyer & Söhne, 1876), by Wilhelm Plöttner (page images at HathiTrust)
- Beitrage zur Orientirung über Herbart's System der Philosophie (L. Voss, 1834), by Moritz Wilhelm Drobisch (page images at HathiTrust)
- Über die Lehre Hume's von der Realität der Aussendinge eine erkenntnistheoretische Untersuchung (C.A. Schwetschke und Sohn, 1904), by Richard Hönigswald (page images at HathiTrust; US access only)
- Compendio de las lecciones de filosofia que se enseñan en el colegio de humanidades de San Felipe Nery de Cádiz (Columbia University Libraries, 1846), by Juan José Arboli (page images at HathiTrust)
- Creative intelligence essays in the pragmatic attitude (H. Holt, 1917), by Horace Meyer Kallen, James Hayden Tufts, Henry Waldgrave Stuart, Boyd Henry Bode, George Herbert Mead, Harold Chapman Brown, Addison Webster Moore, and John Dewey (page images at HathiTrust)
- Das neue Organon un die architektonik Lamberts ein Bruchstück aus der von der philosophischen Fakultät der Ludwig-Maxmilians-Universität München gekrönten Preisschrift "Quellenmässige Darstellung der philosophischen und kosmologischen Leistungen Johann Heinrich Lamberts im Verhältniss zu seinen Vorgängern und zu Kant" als Inaugual-Dissertation (A. Ackermann, Hofbuchh., 1881), by Johannes Lepsius (page images at HathiTrust)
- Da Socrate a Hegel nuovi saggi di critica filosofica (G. Laterza, 1905), by Bertrando Spaventa (page images at HathiTrust; US access only)
- De l'esprit (Lavigne, 1843), by Helvétius and P. Christian (page images at HathiTrust)
- Der Sympathiebegriff bei David Hume eine Darstellung und Kritik : Inaugural-Dissertation ... (Kgl. Hof-Buchdr. Kastner & Callwey, 1908), by Alfred Schwenninger (page images at HathiTrust; US access only)
- Die gegenwärtige Aufgabe der Philosophie aus der bisherigen Stellung der Philosophie zum Leben und den Forderungen des Lebens entwickelt (W. Braumüller, 1858), by Carl Sigmund Barach (page images at HathiTrust)
- Die Grundlage der Spencerschen Philosophie insbesondere als Basis für die Versöhnung von Religion und Wissenschaft (Haude & Spenersche Buchh. (F. Weidling), 1888), by K. Gaquoin (page images at HathiTrust)
- Die Lebensfrage eine erkenntnis-theoretische Studie (W. Friedrich, 1892), by R. Koeber (page images at HathiTrust)
- Die Mathematik als Grundlage der Kritik wissenschaftlichphilosophischer Weltanschauung (nach Untersuchungen von N.W. Bugajew und P.A. Nekrassow in Zusammenhang mit meinen Untersuchungen über formale Chemie) (Druck von C. Mattiesen's Buchdr., 1903), by W. G. Alexejeff (page images at HathiTrust; US access only)
- Die Philosophie des hl. Thomas v. Aquin und ihre Bedeutung für die Gegenwart zugleich eine Rechtfertigung der Encyclika Aeterni Patris (Columbia University Libraries, 1881), by M. Schneid (page images at HathiTrust)
- Die rätsel der philosophie in ihrer geschichte als umriss dargestellt zugleich neue ausgabe des werkes: Welt- und lebensanschauugen im 19. jahrhundert, ergänzt durch eine vorgeschichte über abendländische philosophie und bis zur gegenwart fortgesetzt (S. Cronbach, 1914), by Rudolf Steiner (page images at HathiTrust; US access only)
- Die Transscendentalphilosophie S. Maimons Inaugural-Dissertation ... (Carl Boldt'sche Hof-Buchdr., 1909), by Richard Wegener (page images at HathiTrust; US access only)
- Die verschiedenen Grundansichten über das Wesen des Geistes akademische Festrede ... (Brühl'sche Universitäts-Buch- und Steindruckerei, 1863), by Gustav Schilling (page images at HathiTrust)
- A discourse on the history and importance of the philosophy of the human mind Delivered at Miss Mackenzie's Academy, as introductory to a course of logick and moral philosophy. (Printed by S. Shepherd, 1830), by J. Hervé and Richmond Miss MacKenzie's Seminary (page images at HathiTrust)
- Disputatio prima de definitione et distributione philosophiae, ejusdemo attributis quam Deo T.O.M. adjuvante praeside M. Christophoro Scheiblero ... publice defendere annitetur Christophorus Schröderus. (Typis C. Chemlini, 1617), by Christoph Schröder (page images at HathiTrust)
- Eine Philosophie des gesunden Menschenverstandes Gedanken über das Wesen der menschlichen Erscheinung (W. Braumüller, 1876), by Lazar B. Hellenbach (page images at HathiTrust)
- Einführung in die Philosophie (Quelle & Meyer, 1922), by Antonin Prandtl (page images at HathiTrust; US access only)
- Einleitung in Hegel's philosophische Abhandlungen (Duncker und Humblot, 1832), by Karl Ludwig Michelet (page images at HathiTrust)
- Elementa philosophiae in usum seminariorum (Ex typ. Pontificia et Archiepiscopali Eq. Petri Marietti, 1874), by Petri Antonii Corte (page images at HathiTrust)
- Elemente der Philosophie Logik, Erkenntnistheorie und Metaphysik, Moral (praktische Psychologie) für das akademische Studium und zum Selbstunterricht (Veit, 1891), by Julius Baumann (page images at HathiTrust)
- Emmanuel, ou, La discipline de l'esprit discours philosophique (G. Charpentier, 1877), by Jean Gustave Wallon (page images at HathiTrust)
- Essais de critique philosophique (Hachette et cie, 1885), by Adolphe Franck (page images at HathiTrust)
- Essays and notices philosophical and psychological (T. F. Unwin, 1895), by Thomas Whittaker (page images at HathiTrust)
- Ethik als kritik der weltgeschichte (B. G. Teubner, 1914), by Albert Görland (page images at HathiTrust; US access only)
- Etudes philosophiques (F. Alcan, 1884), by F. Durand Desormeaux (page images at HathiTrust)
- Exploratio philosophica (The University press, 1900), by John Grote and Joseph B. Mayor (page images at HathiTrust)
- Figures et doctrines de philosophies (Plon-Nourrit et cie., 1918), by Victor Delbos (page images at HathiTrust; US access only)
- Filosofiska föreläsningar (Albert Bonniers, 1900), by Viktor Rydberg (page images at HathiTrust; US access only)
- Gedanken von den Eigenschaften eines ächten Weltweisen dabey er Sein Vorhaben von einer Historie der Wolfischen Philosophie eröfnet. (Gedr. bey Bernhard Christoph Breitkopf, 1734), by Johann Luzen (page images at HathiTrust)
- Grenzen der Philosophie constatirt gegen Riemann und Helmholtz, vertheidigt gegen von Hartmann und Lasker (G.W.F. M"uller, 1875), by Wilhelm Tobias (page images at HathiTrust)
- Grundzüge der Logik und Encyklopädie der Philosophie Diktate aus den Vorlesungen von Herman Lotze. (S. Hirzel, 1891), by Hermann Lotze (page images at HathiTrust)
- Herbarts stellung zur englischen moralphilosophie (H. Beyer & söhne, 1914), by Walter Mohns (page images at HathiTrust; US access only)
- Il dubbio metodico e la storia della filosofia prolusione a un corso libero di storia della filosofia nell'Universita di Padova, con appendice storico-critica. (Fratelli Drucker, 1905), by Rodolfo Mondolfo (page images at HathiTrust; US access only)
- Institutiones philosophicae (Columbia University Libraries, 1873), by Salvator Tongiorgi (page images at HathiTrust)
- Introduction to philosophy a handbook for students of psychology, logic, ethics, æsthetics and general philosophy (S. Sonnenschein & co., limited;, 1901), by Oswald Külpe, Edward Bradford Titchener, and W. B. Pillsbury (page images at HathiTrust; US access only)
- Jakob Sigismund Beck und Kant Inaugural-Dissertation ... (Druck der Breslauer Genossenschafts-Buchdr., 1910), by Walter Pötschel (page images at HathiTrust; US access only)
- K.F.E. Trahndorff, der Bewusstseinsphilosoph ein Beitrag zur Würdigung und Hochschätzung eines verklungenen Namens (J. Fricke, 1878), by J. Eckardt (page images at HathiTrust)
- La définition de la philosophie (F. Alcan, 1894), by Ernest Naville (page images at HathiTrust)
- La philosophie (Reinwald, 1879), by André Lefèvre (page images at HathiTrust)
- Lehrbuch der philosophisch propädeutischen Psychologie und der formalen Logik (F. Mauke, 1839), by Ernst Reinhold (page images at HathiTrust)
- Les sciences humaines, philosophie, médecine, morale, politique: la philosophie (Lacroix, 1868), by Th. Funck-Brentano (page images at HathiTrust)
- Lex helicis the story of creation (Farrington Printing Co., 1905), by Ambrose Zandt (page images at HathiTrust)
- Logic (Longmans, Green, 1889), by Richard F. Clarke (page images at HathiTrust)
- Notes de la main d'Helvetius publiées d'après un manuscrit inédit avec une introduction et des commentaires ... par Albert Keim. (F. Alcan, 1907), by Helvétius (page images at HathiTrust; US access only)
- Nouvelles esquisses de philosophie critique (F. Alcan, Editeur, 1899), by African Spir (page images at HathiTrust; US access only)
- Opuscoli filosofici e letterari (Stabilimento Tip. Andreola-Medesin, 1864), by Giuseppe Bianchetti (page images at HathiTrust)
- Philosophie et philosophes (Hachette, 1888), by E. Caro (page images at HathiTrust)
- Philosophie fondamentale (Columbia University Libraries, 1855), by Jaime Luciano Balmes (page images at HathiTrust)
- Philosophie ihr Wesen, ihre Probleme, ihre Literatur (B.G. Teubner, 1919), by Hans Richert (page images at HathiTrust; US access only)
- Philosophische aufsätze (Fues (R. Reisland), 1869), by C. Hebler (page images at HathiTrust)
- Philosophische aufsätze Eduard Zeller zu seinem fünfzigjährigen doctor-jubiläum gewidmet. Inhalt, Vischer, Widmung. Helmholtz, Zählen und messen. Eucken, Zur würdigung Comte's und des positivismus. Freudenthal, Spinoza und die scholastik. Gomperz, Die herkulanische biographie des Polemon. Vishcer, Das symbol. Erdmann, Zur theorie des syllogismus und der induktion. Diels, Ueber die ältesten philosophenschulen der Griechen. Kronecker, Ueber den zahlbëgriff. Usener, Alte bittgänge. Dilthey, Das schaffen des dichters, bausteine zu einer poetik. (Fues's verlag, 1887) (page images at HathiTrust)
- Philosophisches Lesebuch (F. Enke, 1910), by Max Dessoir and Paul Menzer (page images at HathiTrust; US access only)
- Philosophy and life and other essays. (S. Sonnenschein, 1902), by John H. Muirhead (page images at HathiTrust)
- The positive outcome of philosophy (C.H. Kerr, 1906), by Joseph Dietzgen, Joseph Dietzgen, and Eugen Dietzgen (page images at HathiTrust)
- Proposiciones relativas al porvenir de la filosofía Presentadas a la Academia de filosofía y letras. (Talleres gráficos argentinos de L. J. Rosso cía, 1918), by José Ingenieros (page images at HathiTrust)
- Saggi sulla teoria della conoscenza (R. Sandron, 1897), by Cosmo Guastella (page images at HathiTrust; US access only)
- Scheinchristentum und Haeckels Welträtsel : ein Vergleich (F.A. Perthes, 1901), by Adolf Müller (page images at HathiTrust; US access only)
- The sciences of nature versus the science of man A plea for the science of man. (Dodd & Mead, 1871), by Noah Porter (page images at HathiTrust)
- Studies in speculative philosophy (Macmillan, 1925), by James Edwin Creighton and Harold Robert Smart (page images at HathiTrust)
- The syllogistic philosophy or prolegomena to science (Little, Brown, 1906), by Francis Ellingwood Abbot (page images at HathiTrust)
- System der wissenschaft Ein philosophisches encheiridion. (Gebrüder Bornträger, 1850), by Karl Rosenkranz (page images at HathiTrust)
- Études de philosophie ancienne et de philosophie moderne (F. Alcan, 1912), by Victor Brochard and Victor Delbos (page images at HathiTrust; US access only)
- Ueber begriff und form der philosophie eine allgemeine einleitung in das studium der philosophie. (Columbia University Libraries, 1872), by Alois Riehl (page images at HathiTrust)
- Ueber die Bedeutung des dichterischen Elementes in der Philosophie des Giordano Bruno Habilitationsschrift ... (Plotz'sche Buchdruckerei, R. Nietschmann, 1881), by Johann Heinrich von Stein (page images at HathiTrust)
- Ueber Princip und Methode der Hegelschen Philosophie ein Beitrag zur Kritik derselben (Bei J.F. Lippert, 1841), by Hermann Ulrici (page images at HathiTrust)
- Variétes philosophiques (F. Alcan, 1900), by J.-P. Durand de Gros (page images at HathiTrust; US access only)
- The works of Thomas Reid (James Thin, 1895), by Thomas Reid, Dugald Stewart, and William Hamilton (page images at HathiTrust)
- The works of Thomas Reid, D.D. now fully collected, with selections from his unpublished letters. (Maclachlan and Stewart;, 1854), by Thomas Reid, Dugald Stewart, and William Hamilton (page images at HathiTrust)
- Wundt's System der Philosophie (G. Reimer, 1890), by Eduard von Hartmann (page images at HathiTrust)
- Zum Streit über das Grundproblem der Ethik in der neueren philosophischen Litteratur Inaugural-Dissertation ... (s.n.], 1901), by August Gallinger (page images at HathiTrust; US access only)
- The economy of the animal kingdom, considered anatomically, physically, and philosophically, transaction III (Swedenborg Scientific Association, 1918), by Emanuel Swedenborg and Alfred Acton (page images at HathiTrust)
- La legge della solidarietà e le due scuole governativa e liberale; studio. (Tipografia Benedini, 1875), by Pio Barsanti (page images at HathiTrust)
- Problema de'problemi o sia ubi consistam della morale e del diritto. (Napoli, 1886), by L. Marino (page images at HathiTrust)
- La libertad del querer; nota de filosofía (Agustin Avrial, 1893), by Emanuele Carnevale (page images at HathiTrust)
- La sociologia e G.B. Vico. (Savona, 1899), by Francesco Cosentini and Vico (page images at HathiTrust; US access only)
- Principii di etica e diritto secondo la filosofia degli spiritualisti di fronte al moderno positivismo. (G. Franchini, 1899), by Giuseppe Zanchi (page images at HathiTrust; US access only)
- Dante, il determinismo e la imputabilità relativa per Giacomo Perroni Ferranti ... (Stamperia e stereotipia Capra, 1881), by Giacomo Perroni Ferranti (page images at HathiTrust)
- L'odierna psicologia e i fondamenti della filosofia morale. (Siena, 1881), by Raffaele Schiattarella (page images at HathiTrust)
- The essentials of the unity of life (Progressive Literature Co., 1907), by Sheldon Leavitt (page images at HathiTrust)
- Filosofiska miniaturer; tolf föredrag. Öfversättning. (Sigfrid Flodins förlag, 1873), by Johann Eduard Erdmann (page images at HathiTrust)
- Extraits des grandes philosophes. (Delagrave, 1899), by Alfred Fouillée (page images at HathiTrust; US access only)
- First principles. (Williams & Norgate, 1875), by Herbert Spencer (page images at HathiTrust)
- Elements of intellectual philosophy (D. Appleton, 1881), by Joseph Alden (page images at HathiTrust)
- Selections from Berkeley; with an introduction and notes, for the use of students in the universities (Clarendon Press, 1891), by George Berkeley and Alexander Campbell Fraser (page images at HathiTrust)
- Religio medici ; Letter to a friend ; Christian morals (Macmillan, 1881), by Thomas Browne and W. A. Greenhill (page images at HathiTrust)
- Filʹozofii︠a︡ sotsii︠a︡l-demokratiï : zbirnyk dribnykh filʹozovsʹkykh stateĭ (Vydanni︠e︡ "Holosu Pravdy", 1919), by Joseph Dietzgen (page images at HathiTrust)
- Introduction to the study of philosophy (D. Appleton and Company, 1890), by William Torrey Harris and Marietta Kies (page images at HathiTrust)
- Introduction to the study of philosophy (D. Appleton and company, 1894), by William Torrey Harris and Marietta Kies (page images at HathiTrust)
- The problems of philosophy : an introduction to the study of philosophy (C. Scribner's sons, 1906), by John Grier Hibben (page images at HathiTrust)
- The problems of philosophy : an introduction to the study of philosophy (C. Scribner, 1900), by John Grier Hibben (page images at HathiTrust)
- Pragmatism; a new name for some old ways of thinking; popular lectures on philosophy (Longmans, Green, and Co., 1909), by William James (page images at HathiTrust)
- A brief introduction to modern philosophy (The Macmillan company;, 1909), by Arthur Kenyon Rogers (page images at HathiTrust; US access only)
- Institutiones philosophicæ (Typis Viduæ ac Filiorum A. Cuesta, 1890), by Juan José Urráburu (page images at HathiTrust; US access only)
- Die Weltanschauung eines modernen Naturforschers. Ein nichtkritisches Referat über Mach's "Analyse der Empfindungen". (C. Reissner, 1903), by Theodor Beer (page images at HathiTrust; US access only)
- I mensklighetens lifsfrågor populär-filosofiska och religions-filosofiska föredrag, uppsatser och bref (O.L. Lamm, 1889), by Pontus Wikner (page images at HathiTrust)
- Abhandlung ueber leib und seele. Eine vorschule zu Hegel's philosophie des geistes. (A. H. Adriani, 1902), by Johann Eduard Erdmann (page images at HathiTrust; US access only)
- Moderne Probleme. (W. Friedrich, 1886), by Eduard von Hartmann (page images at HathiTrust)
- Mindre arbejder (Det Nordisk Forlag, 1899), by Harald Høffding (page images at HathiTrust; US access only)
- Quaranta proposizioni attribuite ad Antonio Rosmini, col testi originali dell'autore e con altri dello stesso che ne compiono il senso (U. Hoepli, 1889), by Antonio Rosmini (page images at HathiTrust)
- La filosofia e la scuola : appunti (E. Anfossi, 1888), by Andrea Angiulli (page images at HathiTrust)
- Geist und Materie. Allgemeinverständliche Einführung in die philosophischen Probleme. (C. Skopnik, 1905), by Paul Apel (page images at HathiTrust; US access only)
- Einfälle und Betrachtungen : philosophische und weltliche Gedanken (C. Reissner, 1904), by Mathias Auerbach (page images at HathiTrust; US access only)
- Esboços e fragmentos (Laemmert, 1899), by Clóvis Bevilaqua (page images at HathiTrust; US access only)
- Philosophie et philosophes (Hachette, 1888), by E. Caro (page images at HathiTrust)
- Fundamental problems : the method of philosophy as a systematic arrangement of knowledge. (Open Court, 1891), by Paul Carus (page images at HathiTrust)
- Le prime armi; filosofia e filologia. (N. Zanichelli, 1894), by Ruggiero Bonghi (page images at HathiTrust)
- Croyances philosophiques ... (Paris, 1872), by Numa Dejean de Fonroque (page images at HathiTrust)
- Études élémentaires politiques, sociales et philosophiques : dédiées aux ouvriers des villes et des campagnes (Sandoz et Fischbacher, 1872), by Charles Desouches (page images at HathiTrust)
- Kleinere philosophische Schriften; eine Auswahl. (J. H. W. Dietz, 1903), by Joseph Dietzgen (page images at HathiTrust; US access only)
- Propédeutique messianique; éléments de la philosophie absolue (Typ. G. Chamerot, 1875), by Józef Maria Hoene-Wroński (page images at HathiTrust)
- Kritische Einführung in die Philosophie. (E.S. Mittler, 1905), by Rudolf Eisler (page images at HathiTrust; US access only)
- Was heisst Philosophie? (Alb. Stein, 1902), by Wilhelm Lange-Eichbaum (page images at HathiTrust; US access only)
- Ludwig Feuerbach (Otto Wigand, 1879), by Ludwig Feuerbach and Leonore Feuerbach (page images at HathiTrust)
- L'attività psichica. Studio di psicologia filosofica. (V. Muglia, 1904), by Giovanni Cesca (page images at HathiTrust; US access only)
- Essais de critique philosophique (Hachette et cie, 1885), by Adolphe Franck (page images at HathiTrust)
- Nouveaux essais de critique philosophique. (Hachette, 1890), by Adolphe Franck (page images at HathiTrust)
- De l'etude des phenomenes au point de vue de leur probleme particulier (Schleicher freres & Cie., 1903), by Gaston Gaillard (page images at HathiTrust; US access only)
- Grundlinien der philosophie als aufgabe (verlag von Franz Kirchheim, 1881), by Paul Leopold Haffner (page images at HathiTrust)
- Die philosophie seit Kant (T. Hoffmann, 1879), by Friedrich Harms (page images at HathiTrust)
- Grundriss der Philosophie für höhere schulen und zum Selbstunterricht. (Gross & Schauenburg, 1906), by Ernst Hermann (page images at HathiTrust; US access only)
- Réflexions et pensées. Précédées d'une notice sur la vie (F. Alcan, 1884), by Fernand Durand-Désormeaux (page images at HathiTrust)
- Gennem modsætninger : et forsøg paa at forstaa tiden og livet (Gad's Universitetsboghandel, 1905), by Otto Ludvig Thune Jacobsen (page images at HathiTrust; US access only)
- Manuel de philosophie (Hachette et cie, 1883), by Amédée Florent Jacques, Émile Saisset, Jules Simon, and Émile Saisset (page images at HathiTrust)
- Saggi filosofici. (D. Morano, 1886), by Donato Iaja (page images at HathiTrust)
- Filosofiska essayer (A. Bonnier, 1906), by John Landquist (page images at HathiTrust; US access only)
- Filozofia i krytyka (Nakł. Księgarni Jana Konstantego Żupańskiego, 1874), by Karol Libelt (page images at HathiTrust; US access only)
- Moral philosophy. (P.J. Kenedy and sons, 1895), by A. Louage (page images at HathiTrust)
- Estudios de la filosofía (Imprenta de J.A. Alsina, 1894), by Carlos López Sánchez (page images at HathiTrust)
- Z dziedziny myśli; studja filozoficzne, 1888-1899. (Nakł. Jana Fiszera, 1900), by Wincenty Lutosławski (page images at HathiTrust; US access only)
- Des limites de la philosophie (J. Michelet;, 1896), by Oscar Merten (page images at HathiTrust)
- De felicitate. (Byron S. Adams, 1914), by William F. Miltenberger (page images at HathiTrust)
- Philosophische Propaädeutik (allgemeine Einleitung in die Philosophie und Anfangsgrunde der Logik, Ethik und Psychologie) in Leitsätzen zu akademischen Vorlesungen. (N. G. Elwert, 1903), by Paul Natorp (page images at HathiTrust; US access only)
- On Natursammanhang och frihet; systematiska studier. (W. Zachrissons boktr., 1895), by Vitalis Norström (page images at HathiTrust)
- Une philosophie nouvelle : ce qu'elle doit être devant la science (Didier, 1872), by André Pezzani (page images at HathiTrust)
- Conceptions and misconceptions of consciousness. (Lancaster, Pa., etc., 1904), by Ralph Barton Perry (page images at HathiTrust)
- Filosofiska föreläsningar. (Albert Bonniers, 1900), by Viktor Rydberg (page images at HathiTrust; US access only)
- The spectrum of truth (Sands;, 1908), by A. B. Sharpe, Francis Aveling, and Francis Aveling (page images at HathiTrust)
- Strassburger Abhandlungen zur Philosophie : Eduard Zeller, zu seinem siebenzigsten Geburtstage. (Mohr, 1884), by Eduard Zeller (page images at HathiTrust)
- Lehrbuch der philosophie (F. Kirchheim, 1876), by Albert Stöckl (page images at HathiTrust)
- Conferencias filosóficas ... (M. de Villa, 1880), by Enrique José Varona (page images at HathiTrust)
- Apoḟeoz bespochvennosti : opyt adogmaticheskago myshlenīi︠a︡. (Obshchestvennai︠a︡ polʹza, 1905), by Lev Shestov (page images at HathiTrust; US access only)
- Das Ganze der Philosophie und ihr Ende. Ihre Vermächtnisse an die Theologie, Physiologie, Ästhetik und Staatspädagogik (W. Braumüller, 1896), by Richard Wahle (page images at HathiTrust)
- Metafisica, scienza e moralità; studi di filosofia morale. (G. Balbi, 1898), by Francesco De Sarlo (page images at HathiTrust; US access only)
- Filosofiens uppgift, metod och betydelse. (Almquist & Wiksell, 1899), by Frans von Schéele (page images at HathiTrust; US access only)
- Filosofiska konturer; ett bidrag till filosofiens encyklopedi. (Wettergren & Kerber, 1902), by Allen Vannérus (page images at HathiTrust; US access only)
- Series in philosophy (Philadelphia, Pa., 1890), by University of Pennsylvania (page images at HathiTrust)
- Grundriss der philosophie nach Friedrich Harms. (J. C. B. Mohr, 1902), by Friedrich Zimmer and Friedrich Zimmer (page images at HathiTrust; US access only)
- Cours de philosophie ... (Institut Supérieur de philosophie [etc., etc.], 1902), by Désiré Mercier (page images at HathiTrust; US access only)
- [A collection of articles by this author.] (1899), by Jonas Cohn (page images at HathiTrust; US access only)
- Di filosofye, vos zi iz un vi zi hot zikh entvikelt (Mayzel eṭ ḳo, 1910), by Chaim Zhitlowsky (page images at HathiTrust)
- Mysterium magnum : de wetenschap tegenover het vraagstuk van het wezen des levens (C. Blommendaal, 1905), by Francis Adrian Van der Kemp (page images at HathiTrust; US access only)
- Science and sentiment with other papers, chiefly philosophical (Scribner's, 1882), by Noah Porter (page images at HathiTrust)
- Ensaio critico ácerca de "O Brazil mental" de Bruno ([publisher not identified], 1898), by Mello de Mattos (page images at HathiTrust; US access only)
- Nachatki filosofii : Obshchedostupnoe izlozhenie sushchestvennago soderzhanii︠a︡ filosofii (Tip. F. Ioganson, 1888), by Alekseĭ Strunnikov (page images at HathiTrust)
- Fundamental problems : The method of philosophy as a systematic arrangement of knowledge (The Open court publishing company, 1889), by Paul Carus (page images at HathiTrust)
- Ernste Spiele. Vortraege, Theils neu, Theils längst vergessen (W. Hertz, 1875), by Johann Eduard Erdmann (page images at HathiTrust)
- Cosmic philosophy, Outlines of. (Houghton, Mifflin, 1900), by John Fiske (page images at HathiTrust)
- Outlines of cosmic philosophy : based on the doctrine of evolution, with criticisms on the positive philosophy (Houghton Mifflin, 1896), by John Fiske (page images at HathiTrust)
- Die Ideale des Materialismus : lyrische Philosophie (C. Reisner & Ganz, 1878), by Armand Pensier (page images at HathiTrust)
- Die Welt als Wille und Vorstellung (Brockhaus, 1873), by Arthur Schopenhauer and Julius Frauenstädt (page images at HathiTrust)
- Die Welt als Wille und Vorstellung (Brockhaus, 1879), by Arthur Schopenhauer and Julius Fra