| Call number | Item |
| Q | Science (Go to start of category) |
| QA | Mathematics and Computer Science (Go to start of category) |
| QA453 .M33 1912 | ![[Info]](https://onlinebooks.library.upenn.edu/info.gif) Cours de Géométrie Élémentaire, avec de Nombreux Exercices (second edition, in French; Tours: A. Mame et fils; et al., 1912), by G. Marie (page images at HathiTrust; US access only) |
| QA455 .L13 1893a | An Elementary Treatise on Modern Pure Geometry, by R. Lachlan (page images at Cornell) |
| QA455 .W467 | Plane Geometry (second edition, 1913), by George Wentworth and David Eugene Smith, contrib. by G. A. Wentworth (PDF at djm.cc) |
| QA457 .W466 | Solid Geometry (second edition, 1913), by George Wentworth and David Eugene Smith, contrib. by G. A. Wentworth |
| QA459 .P4 1879 | Methods and Theories for the Solution of Problems of Geometrical Constructions, Applied to 410 Problems (Copenhagen: A. F. Høst and Son; London: S. Low, Marston, Searle and Rivington, 1879), by Julius Petersen, trans. by Sophus Haagensen |
| QA459 .P4 1901 | Méthodes et Théories pour la Resolution des Problèmes de Constructions Géométriques, Avec Application à Plus de 400 Problèmes (third edition, in French; Paris: Gauthier-Villars et fils; Copenhagen: A. F. Høst et fils, 1901), by Julius Petersen, trans. by Octave Chemin (multiple formats at archive.org) |
| QA462 .A23 1981 | Turtle Geometry: The Computer as a Medium for Exploring Mathematics (Cambridge, MA: MIT Press, 1986), by Harold Abelson and Harold Abelson and Andrea diSessa (PDF files with commentary at at MIT Press) |
| QA463 .H5133 1913 | Geometriske Eksperimenter (in Danish; Copenhagen: Jul. Gjellerups Forlag, 1913), by Johannes Hjelmslev (multiple formats at archive.org) |
| QA464 .K32 1877a | How to Draw a Straight Line: A Lecture on Linkages, by A. B. Kempe (page images at Cornell) |
| QA465 .K4 | Solid Mensuration (first edition; New York: J. Wiley and Sons; London, Chapman and Hall, 1934), by Willis F. Kern and James R. Bland (page images at HathiTrust) |
| QA471 .A7 | Geometria Projettiva del Piano e della Stella (second edition, in Italian; Milan: U. Hoepli, 1895), by Ferdinando Aschieri |
| QA471 .H19 1906a | Synthetic Projective Geometry (fourth edition; 1906), by George Bruce Halsted (page images at Cornell) |
| QA471.H36 P9 1913a | The Principles of Projective Geometry Applied to the Straight Line and Conic, by J. L. S. Hatton (page images at Cornell) |
| QA471 .J77 | A Treatise on Projective Geometry, by George William Jones (page images at Cornell) |
| QA471 .R96 1893a | An Elementary Treatise on Pure Geometry with Numerous Examples, by John Wellesley Russell (page images at Cornell) |
| QA471 .S42 1962 | Lectures in Projective Geometry (Princeton, NJ et al.: D. Van Nostrand Co., c1962), by A. Seidenberg (page images at HathiTrust) |
| QA471 .S8 | Beiträge zur Geometrie der Lage (3 volumes in 1, in German; Nuremberg: Fr. Korn'schen Buchhandlung, ca. 1856-1860), by Karl Georg Christian von Staudt (page images at HathiTrust) |
| QA471 .S8 | Geometria di Posizione (in Italian; Turin: Fratelli Bocca Editori; et al., 1889), by Karl Georg Christian von Staudt, trans. by Mario Pieri, contrib. by Corrado Segre (page images in Italy) |
| QA471 .Y6 | Projective Geometry (Carus Mathematical Monograph #4; Chicago: Pub. for the Mathematical Association of America by the Open Court Pub. Co., c1930), by John Wesley Young (page images at HathiTrust) |
| QA471 .Z3 | Einführung in die Projektive Geometrie (in German; Leipzig and Berlin: B. G. Teubner, 1912), by Max Zacharias |
| QA473 .S45 | An Introduction to Modern Geometry (New York: J. Wiley and Sons; London, Chapman and Hall, 1939), by Levi S. Shively (page images at HathiTrust) |
| QA474 .D8 | Modern Geometry: The Straight Line and Circle (London: Macmillan, 1920), by Clement V. Durell (page images at HathiTrust; US access only) |
| QA485 .D4 1639 | Brouillon Project d'une Atteinte aux Evenemens des Rencontres du Cone avec un Plan, par L,S,G,D,L (in French; 1639), by Gérard Desargues |
| QA501 .D25 1839 | Elements of Descriptive Geometry, by Charles Davies (page images at Cornell) |
| QA501 .G49 1906 | Lehrbuch der Darstellenden Geometrie ("Teil I" only volume known to be published, in German; Leipzig: G. J. Göschen, 1906), by Erich Geyger |