| Call number | Item |
| B | Philosophy, Psychology, and Religion (Go to start of category) |
| B-BD | Philosophy (Go to start of category) |
| BC | Logic (Go to start of category) |
| BC135 .D59 1886 | ![[Info]](https://onlinebooks.library.upenn.edu/info.gif) The Game of Logic (London and New York: Macmillan, 1887), by Lewis Carroll |
| BC135 .D6 | The Game of Logic, by Lewis Carroll |
| BC135 .D6 | Symbolic Logic (fourth edition; London and New York: Macmillan, 1897), by Lewis Carroll (Gutenberg text and illustrated HTML) |
| BC135 .P6 | Studies in Logic, by Members of the Johns Hopkins University (Boston: Little, Brown, and Co., 1883), ed. by Charles S. Peirce, contrib. by Allan Marquand, Christine Ladd-Franklin, O. H. Mitchell, and Benjamin Ives Gilman (multiple formats at archive.org) |
| BC135 .V4 1881 | Symbolic Logic (London: Macmillan and Co., 1881), by John Venn (multiple formats at archive.org) |
| BC135 .W5 | Tractatus Logico-Philosophicus (in English and German), by Ludwig Wittgenstein, trans. by C. K. Ogden, contrib. by Bertrand Russell (Gutenberg multiple formats and LibriVox audio) |
| BC135 .W5 1922 | Tractatus Logico-Philosophicus (from the International Library of Psychology, Philosophy and Scientific Method series; in English and German side by side; New York: Harcourt, Brace and Co.; London: K. Paul, Trench, Trubner and Co., 1922), by Ludwig Wittgenstein, trans. by C. K. Ogden, contrib. by Bertrand Russell |
| BC137 .L79 1517 | Illuminati Sacre Pagine Professoris Amplissimi Magistri Raymundi Lull, Ars Magna, Generalis Et Ultima: Quarumcunque Artium et Scientiarum Ipsius Lull, Assecutrix Et Clauigera, et ad Eas Aditum Faciliore Prebens, Antehac Nusquam Arti Impressorie Emunctius Commendata (title from illuminated page about 12 leaves in; in Latin; Lyon: J. Marechal, 1517), by Ramon Llull, ed. by Bernardus de Lavinheta |
| BC141 .V4 1876 | The Logic of Chance: An Essay on the Foundations and Province of the Theory of Probability, With Especial Reference to its Logical Bearings and its Application to Moral and Social Science (second edition; London: Macmillan and Co., 1876), by John Venn (page images in Germany) |
| BC171 .B876 | Die Onbetrouwbaarheid der Logische Principes (in Dutch; Groningen: P. Noordhoff, ca. 1908), by L. E. J. Brouwer (page images at HathiTrust; US access only) |
| BC172 .H3 | Kategorienlehre (in German; Leipzig: H. Haacke, 1896), by Eduard von Hartmann |
| BC177 .S56 1996 | Future Logic: Categorical and Conditional Deduction and Induction of the Natural, Temporal, Extensional, and Logical Modalities. (1996), by Avi Sion (frame-dependent HTML at thelogician.net) |
| BC199 .W5 L3 | Logique de la Volonté (in French; Paris: F. Alcan, 1902), by Paul Lapie |
| BD | Speculative Philosophy (Go to start of category) |
| BD21 .L5 | The Fundamental Problems of Metaphysics (Edinburgh and London: W. Blackwood and Sons, 1910), by James Lindsay (multiple formats at archive.org) |
| BD21 .P35 | The Tree of Philosophy (third edition), by Stephen Palmquist (HTML in Hong Kong) |
| BD21 .R8 | The Problems of Philosophy, by Bertrand Russell |
| BD31 .F8 | An Introduction to Philosophy (New York and London: MacMillan, 1915), by George Stuart Fullerton (Gutenberg text) |
| BD41 .W4 1902 | 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 |
| BD41 .W4 1913 | The Discovery of the Future (New York: B. W. Huebsch, 1913), by H. G. Wells |
| BD111 .A7 | Scientific Fact and Metaphysical Reality, by Robert Brandon Arnold (multiple formats at archive.org) |
| BD111 .F3 | Institutes of Metaphysic: The Theory of Knowing and Being (Edinburgh and London: W. Blackwood and Sons, 1854), by James Frederick Ferrier (multiple formats at archive.org) |
| BD111 .F54 | The Revealing Word: A Dictionary of Metaphysical Terms, by Charles Fillmore (HTML at sacred-texts.com) |
| BD111 .F9 | A System of Metaphysics (New York and London: Macmillan, 1904), by George Stuart Fullerton |
| BD111 .H27 2009 | Prince of Networks: Bruno Latour and Metaphysics (Melbourne: Re.press, 2009), by Graham Harman (PDF at re-press.org) |
| BD111 .M4 1860 | Metaphysics: or, The Philosophy of Consciousness, Phenomenal and Real (Edinburgh: Adam and Charles Black, 1860), by Henry Longueville Mansel (page images at Google) |