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Geometry -- Early works to 1800

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• Geometry
• Mathematics -- Early works to 1800
• Early works to 1800

• Mathematics, Greek

• Geometrical drawing -- Early works to 1800
• Geometry, Analytic -- Early works to 1800

• Euclid's Elements of Geometry (Greek text from Heiberg's edition, with English translation and notes by the editor; 2008), by Euclid, ed. by Richard Fitzpatrick, contrib. by J. L. Heiberg (PDF with commentary at Texas)
• 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
  • page images at Gallica
  • black and white facsimile with slightly different page order: page images at Gallica
• Francisci à Schooten Principia Matheseos Universalis, seu Introductio ad Geometriae Methodum Renati Des Cartes (in Latin; Leiden: Ex Officinâ Elseviriorum, 1651), by Frans van Schooten, ed. by Erasmus Bartholin
  • multiple formats at Google
  • page images at HathiTrust
• Aritmetica, e Geometria Prattica (in Italian; Naples: C. Troyse and G.-D. Pietroboni, 1697), by Elia del Re
  • multiple formats at Google
  • page images at HathiTrust
• Aritmetica, e Geometria Prattica (in Italian; Naples: N. Migliaccio, 1733), by Elia del Re (multiple formats at Google)
• Pyrotechnia: or, A Discourse of Artificiall Fire-Works... Whereunto is Annexed a Short Treatise of Geometrie (London: Printed by T. Harper for R. Mab, 1635), by John Babington
  • page images here at Penn
  • multiple formats at archive.org
  • page images at HathiTrust
  • HTML at EEBO TCP
• Utriusque Cosmi Maioris Scilicet et Minoris Metaphysica, Physica atque Technica Historia (2 volumes, in Latin; ca. 1617), by Robert Fludd
  • Volume I: multiple formats at archive.org
  • Volume II: multiple formats at archive.org
• Euclidis Elementa (5 volumes in Greek and Latin; Leipzig: B. G. Teubner, 1883-1888), by Euclid, ed. by J. L. Heiberg
  • Volume I (books 1-4): multiple formats at archive.org
  • Volume II (books 5-9): multiple formats at archive.org
  • Volume III (book 10): page images in Germany
  • Volume IV (books 11-13): page images in Germany
  • Volume V (books 14 and 15 by later authors, sometimes attributed to Euclid): multiple formats at archive.org
• The Geometrical Lectures of Isaac Barrow, by Isaac Barrow, trans. by J. M. Child (page images at Cornell)
• Geometrical Solutions Derived From Mechanics: A Treatise of Archimedes (with LaTeX markup), by Archimedes, trans. by J. L. Heiberg and Lydia Gillingham Robinson, contrib. by David Eugene Smith (Gutenberg text)
• The Geometry of René Descartes, by René Descartes, trans. by David Eugene Smith and Marcia L. Latham (PDF at djm.cc)
• Tychonis Brahe Triangulorum Planorum et Sphaericorum Praxis Arithmetica, Qua Maximus Eorum Praesertim in Astronomicis Usus Compendiose Explicatur (facsimile of a 1591 manuscript attributed by Studnicka to Brahe, with notes, in Latin; Prague: Ex Officina Polygraphica Ios. Farsky, 1886), by Tycho Brahe, ed. by F. I. Studnicka (page images at HathiTrust)
• Elements, by Euclid, ed. by D. E. Joyce, trans. by Thomas Little Heath (illustrated HTML at clarku.edu)
• Elements (English and Greek), by Euclid, trans. by Thomas Little Heath (HTML with commentary at Perseus)
• Harmonies of the World, by Johannes Kepler, trans. by Charles Glenn Wallis (HTML with commentary at sacred-texts.com)
• The Method of Archimedes, Recently Discovered by Heiberg: A Supplement to the Works of Archimedes, 1897 (Cambridge: At the University Press, 1912), by Archimedes, ed. by Thomas Little Heath, contrib. by J. L. Heiberg (multiple formats at archive.org)
• The Works of Archimedes, Edited in Modern Notation With Introductory Chapters (Cambridge: At the University Press, 1897), by Archimedes, ed. by Thomas Little Heath (multiple formats at archive.org)

• Examen des Oeuvres du Sr. Desargues (in French; Paris: M. et I. Henault, 1644), by Jacques Curabelle (multiple formats at Google)
• Advis Charitables sur les Diverses Oeuvres, et Feuilles Volantes du Sr. Girard Desargues Lyonois (in French; Paris: M. Tavernier, 1642) (PDF at e-rara.ch)

• The Geometry of René Descartes, by René Descartes, trans. by David Eugene Smith and Marcia L. Latham (PDF at djm.cc)

Items below (if any) are from related and broader terms.

• Euclid's Elements of Geometry (Greek text from Heiberg's edition, with English translation and notes by the editor; 2008), by Euclid, ed. by Richard Fitzpatrick, contrib. by J. L. Heiberg (PDF with commentary at Texas)
• Elements, by Euclid, ed. by D. E. Joyce, trans. by Thomas Little Heath (illustrated HTML at clarku.edu)
• Elements (English and Greek), by Euclid, trans. by Thomas Little Heath (HTML with commentary at Perseus)
• The Method of Archimedes, Recently Discovered by Heiberg: A Supplement to the Works of Archimedes, 1897 (Cambridge: At the University Press, 1912), by Archimedes, ed. by Thomas Little Heath, contrib. by J. L. Heiberg (multiple formats at archive.org)
• A Short History of Greek Mathematics (Cambridge, UK: At the University Press, 1884), by James Gow
  • multiple formats at Google; US access only
  • page images at HathiTrust
  • multiple formats at archive.org
• A Short History of Greek Mathematics (reprint; New York: G. E. Stechert and Co., 1923), by James Gow (page images at Michigan)
• Theologoumena Arithmeticae (main text in Greek; preface and notes in Greek and Latin; 1922), by Iamblichus, ed. by Vittorio De Falco (page images at HathiTrust; US access only)
• The Works of Archimedes, Edited in Modern Notation With Introductory Chapters (Cambridge: At the University Press, 1897), by Archimedes, ed. by Thomas Little Heath (multiple formats at archive.org)
• Archimedes, by Chris Rorres (illustrated HTML at NYU)
• Greek Geometry, from Thales to Euclid, by George Johnston Allman (page images at Cornell)
• Mathematics and Physical Science in Classical Antiquity (London: Oxford University Press, H. Milford, 1922), by J. L. Heiberg, trans. by D. C. Macgregor (multiple formats at archive.org)
• Theoretic Arithmetic, in Three Books (London: Printed for the author by A. J. Valpy, 1816), by Thomas Taylor (PDF at djm.cc)

• Geometry Unbound (c2006), by Kiran Sridhara Kedlaya (PDF with commentary at kskedlayaorg)
• Geometric Topology: Localization, Periodicity and Galois Symmetry (The 1970 MIT Notes) (electronic edition, ca. 2005), by Dennis Sullivan, ed. by Andrew Ranicki (PDF in the UK)
• Model Theory, Algebra, and Geometry (2000), ed. by Deirdre Haskell, Anand Pillay, and Charles Steinhorn (PDF files with commentary at msri.org)
• 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)
• An Elementary Treatise on Modern Pure Geometry, by R. Lachlan (page images at Cornell)
• Elements of Geometry and Trigonometry, by A. M. Legendre and Charles Davies, ed. by J. Howard Van Amringe (page images at Cornell)
• The First Six Books of the Elements of Euclid, and Propositions I.-XXI. of Book XI., and an Appendix on the Cylinder, Sphere, Cone, Etc., With Copious Annotations and Numerous Exercises (Dublin: Hodges, Figgis and Co., 1885), by Euclid and John Casey (page images at Cornell)
• Geometriske Eksperimenter (in Danish; Copenhagen: Jul. Gjellerups Forlag, 1913), by Johannes Hjelmslev (multiple formats at archive.org)
• Introduction to Mathematics (Reading, MA and London: Addison-Wesley Pub. Co., 1961), by Charles Francis Brumfiel, Robert E. Eicholz, and Merrill Shanks (page images at HathiTrust)
• Byrne's Euclid: The First Six Books of the Elements of Euclid, With Coloured Diagrams and Symbols, by Euclid, ed. by Oliver Byrne and Nicholas Rougeux (JavaScript-dependent illustrated HTML at c82.net)
• An Elementary Treatise on Pure Geometry with Numerous Examples, by John Wellesley Russell (page images at Cornell)
• La Recente Geometria del Triangolo (in Italian; Città di Castello: S. Lapi, 1900), by Cristoforo Alasia
  • multiple formats at Google; US access only
  • page images at HathiTrust; US access only
• Lectures on Fundamental Concepts of Algebra and Geometry (1911), by John Wesley Young (page images at Cornell)

• Shape Interrogation for Computer Aided Design and Manufacturing (hyperbook edition, 2009), by N. M. Patrikalakis, Takashi Maekawa, and Wonjoon Cho (illustrated HTML at MIT)

• 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)

• Motion, Control, and Geometry: Proceedings of a Symposium (1997), by National Research Council Commission on Physical Sciences, Mathematics, and Applications (page images with commentary at NAP)

• Art Gallery Theorems and Algorithms (1987), by Joseph O'Rourke (PDF files at Smith)
• Shape Interrogation for Computer Aided Design and Manufacturing (hyperbook edition, 2009), by N. M. Patrikalakis, Takashi Maekawa, and Wonjoon Cho (illustrated HTML at MIT)

• An Essay on the Foundations of Geometry (Cambridge: At the University Press, 1897), by Bertrand Russell (multiple formats at Google; US access only)
• The Foundations of Mathematics: A Contribution to the Philosophy of Geometry, by Paul Carus (page images at Cornell)

More items available under broader and related terms at left.