| 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) |
| BC108 .W6 1848 | ![[X-Info]](https://onlinebooks.library.upenn.edu/infouc.gif) Elements of logic, (New York, Cooledge, and brother; [etc., etc.], 1848), by Richard Whately (page images at HathiTrust) |
| BC108 .W6 1852 | Elements of logic. (New York : Harper & Brothers, 1852), by Richard Whately (page images at HathiTrust) |
| BC108 .W6 1853 | Elements of logic. (New York, Harper & brothers, 1853), by Richard Whately (page images at HathiTrust) |
| BC108 .W6 1856 | Elements of logic. (New York, Harper & brothers, 1856), by Richard Whately (page images at HathiTrust) |
| BC108 .W68 | An elementary treatise of logic; (New York, D. Appleton and company [etc., etc.], 1856), by William Dexter Wilson (page images at HathiTrust) |
| BC114 .L8 | Outlines of logic and of Encyclopædia of philosophy: (Boston, Ginn & company, 1887), by Hermann Lotze (page images at HathiTrust) |
| BC135 .B6 1914 | Problem: science=analysis. Formula: indeterminate; science=analysis; determinate; (New York, Printed for the author, 1914), by George Ashton Black (page images at HathiTrust) |
| BC135 .B6 1916 | Problem; science-analysis; formula' indeterminate, science-analysis, determinate; (New York, Printed for the author, 1916), by George Ashton Black (page images at HathiTrust) |
| BC135 .C42 | ![[Info]](https://onlinebooks.library.upenn.edu/info.gif) Introduction to Mathematical Logic (volume 1 only volume published; Princeton: Princeton University Press, 1956), by Alonzo Church (page images at HathiTrust) |
| BC135 .D4 1847 | Formal Logic: or, The Calculus of Inference, Necessary and Probable (London: Taylor and Walton, 1847), by Augustus De Morgan (multiple formats at archive.org) |
| BC135 .D59 1886 | 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 .S6 | The culmination of the science of logic, (Brooklyn, N.Y., H. C. Smith, [c1888]), by John Cauchois Smith (page images at HathiTrust) |
| 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) |
| BC171 .M2 | The tests of various kinds of truth: being a treatise of applied logic, (New York, C. Scribner's sons, 1891), by James McCosh (page images at HathiTrust) |
| BC171 .R7 | Truth and error : a study in critical logic / by Aloysius J. Rother. (St. Louis : B. Herder, 1914), by Aloysius Joseph Rother (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) |