| Call number | Item |
| B | Philosophy, Psychology, and Religion (Go to start of category) |
| B-BD | Philosophy (Go to start of category) |
| BD | Speculative Philosophy (Go to start of category) |
| BD31 .F8 | ![[Info]](https://onlinebooks.library.upenn.edu/info.gif) 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) |
| BD111 .N38 | The Nature of Metaphysical Knowledge, ed. by George F. McLean and Hugo Meynell (PDF at crvp.org) |
| BD111 .R3 1948 | The Philosophy of Man (Milwaukee: Bruce Pub. Co., c1948), by Henri Renard (page images at HathiTrust) |
| BD112 .B42 1912 | An Introduction to Metaphysics (New York and London: G. P. Putnam's Sons, c1912), by Henri Bergson, trans. by T. E. Hulme |
| BD131 .R5 1898 | General Metaphysics (third edition, 1898), by John Rickaby (HTML at Notre Dame) |
| BD161 .B538 2022 | World of Patterns: A Global History of Knowledge (Baltimore: Johns Hopkins University Press, c2022), by Rens Bod, trans. by Leston Buell (multiple formats with commentary at Project MUSE) |
| BD161 .E16 | Objectivity (New York: Noonday Press, 1955), by William Earle (page images at HathiTrust) |
| BD161 .G54 | Knowledge, Perception, and Memory (originally published 1975), by Carl Ginet (PDF at Cornell) |
| BD161 .J6 1906 | The Nature of Truth: An Essay (Oxford: At the Clarendon Press, 1906), by Harold H. Joachim (HTML at southalabama.edu) |
| BD161 .K554 | Naive Metaphysics: A Theory of Subjective and Objective Worlds, by Geoffrey V. Klempner (zipped PDF with commentary at philosophypathways.com) |
| BD161 .M2 | Basic Knowledge and Conditions on Knowledge (Cambridge, UK et al.: Open Book Publishers, c2017), by Mark McBride (PDF and HTML with commentary at Open Book Publishers) |
| BD161 .M29 | Philosophy, Science, and Sense Perception: Historical and Critical Studies (originally published 1964; open access edition Baltimore: Johns Hopkins University Press, 2019), by Maurice Mandelbaum (multiple formats with commentary at Project MUSE) |
| BD161 .N25 1994 | National Identity as an Issue of Knowledge and Morality, ed. by N. V. Chavchavadze, Ghia Nodia, and Paul Peachey (multiple formats at Google) |
| BD161 .R46 1982 | The Discourse of Modernism (Ithaca, NY and London: Cornell University Press, c1982), by Timothy J. Reiss (PDF and EPub with commentary at Cornell Open) |
| BD161 .S526 2006 | Knowing Knowledge (Creative Commons edition, c2006), by George Siemens (multiple formats at archive.org) |
| BD161 .W3 | Theories of Knowledge: Absolutism, Pragmatism, Realism (London: Longmans, Green and Co., 1910), by Leslie J. Walker (HTML at Notre Dame) |
| BD171 .B584 | Elements of Knowledge (Cincinnati: Robert Clarke and Co, 1881), by Horace P. Biddle (HTML and page images at Indiana) |