| Call number | Item |
| Q | Science (Go to start of category) |
| QA | Mathematics and Computer Science (Go to start of category) |
| QA681 .R96 1897 | ![[Info]](https://onlinebooks.library.upenn.edu/info.gif) An Essay on the Foundations of Geometry (Cambridge: At the University Press, 1897), by Bertrand Russell (multiple formats at Google) |
| QA685 .C77 1909a | The Elements of Non-Euclidean Geometry, by Julian Lowell Coolidge (page images at Cornell) |
| QA699 .A12 1884 | Flatland: A Romance of Many Dimensions (London: Seeley and Co., 1884), by Edwin A. Abbott |
| QA699 .A12 1885 | Flatland: A Romance of Many Dimensions, By a Square, With Illustrations by the Author (Boston: Roberts Bros., 1885), by Edwin A. Abbott |
| QA699 .A13 | Flatland (second edition), by Edwin A. Abbott (Gutenberg text and illustrated HTML) |
| QA699 .G7 | The Fourth Dimension and the Bible (Boston: R. G. Badger, c1922), by William Anthony Granville |
| QA699 .H568 1906 | A Language of Space (London: Swan Sonnenschein and Co., 1906), by Charles Howard Hinton (multiple formats at archive.org) |
| QA699 .H6 | Selected writings on the fourth dimension, by Charles Howard Hinton (HTML at ibiblio.org) |
| QA699 .H6 1906 | The Fourth Dimension (London: Swan Sonnenschein and Co., 1906), by Charles Howard Hinton (multiple formats at archive.org) |
| QA699 .H64 | A New Era of Thought (London: Swan Sonnenschein and Co., 1888), by Charles Howard Hinton, Alicia Boole Stott, and H. John Falk (multiple formats at archive.org) |
| QA699 .M3 | The Fourth Dimension Simply Explained, ed. by Henry Parker Manning (illustrated HTML at Virginia) |
| QA699 .R79 2014 | The Fourth Dimension: Toward a Geometry of Higher Reality (free online edition, c2014), by Rudy v. B. Rucker, contrib. by Martin Gardner (illustrated HTML at rudyrucker.com) |
| QA699 .R8 1977 | Geometry, Relativity and the Fourth Dimension (free online edition; c1977), by Rudy v. B. Rucker (illustrated HTML at rudyrucker.com) |
| QA699 .S35 | Another World; or, the Fourth Dimension (third edition; London: Swan Sonnenschein and Co., 1905), by A. T. Schofield (multiple formats at archive.org) |
| QA803 .A2 1687 | Philosophia Naturalis Principia Mathematica (in Latin; London: Jussu Societatis Regiae ac Typis I. Streater, 1687), by Isaac Newton |
| QA803 .A45 | Newton's Principia: The Mathematical Principles of Natural Philosophy; To which is added, Newton's System of the World (first American edition; New York: Daniel Adee, c1846), by Isaac Newton, trans. by Andrew Motte, contrib. by N. W. Chittenden |
| QA803 .A45 1729 | The Mathematical Principles of Natural Philosophy (2 volumes; London: Printed for B. Motte, 1729), by Isaac Newton, trans. by Andrew Motte |
| QA803 .A53 1756 | Principes Mathématiques de la Philosophie Naturelle, par Feue Madame la Marquise du Chastellet (2 volumes in French; Paris: Desaint and Saillant, and Lambert, 1756), by Isaac Newton and Gabrielle Emilie Le Tonnelier de Breteuil Du Châtelet (page images at e-rara.ch) |
| QA803 .A53 1759 | Principes Mathématiques de la Philosophie Naturelle, par Feue Madame la Marquise du Chastellet (2 volumes in French; Paris: Desaint and Saillant, and Lambert, 1759), by Isaac Newton and Gabrielle Emilie Le Tonnelier de Breteuil Du Châtelet (page images at e-rara.ch) |
| QA805 .A2 1987 | Foundations of Mechanics (second edition, 1987), by Ralph Abraham and Jerrold E. Marsden (PDF with commentary at Caltech) |
| QA805 .P42 | Practical Mechanics (London, Paris, and New York: Cassell, Petter, Galpin, 1883), by John Perry (multiple formats at archive.org) |
| QA805 .S67 | Theoretical Mechanics (Boston: Ginn and Company, c1910), by Percey F. Smith and William Raymond Longley (PDF at djm.cc) |
| QA807 .V63 | Le Principali Leggi della Meccanica (in Italian; Milan: Federazione Italiana delle Biblioteche Populari, ca. 1913), by Gaetano Viciani (page images at HathiTrust; US access only) |
| QA825 .K4 | Foundations of Potential Theory (New York: F. Ungar Pub. Co., ca. 1929), by O. D. Kellogg (page images at HathiTrust) |
| QA825 .M3 1930 | The Theory of the Potential (first edition; New York and London: McGraw-Hill Book Co, 1930), by W. D. MacMillan (page images at HathiTrust) |