[See also, which in some cases provides corrected / ameliorated versions of the Google scans.]

  • Opera Omnia, ed. I. L. Heiberg and H. Menge, vol. 1 [[Elementa Books 1-4, ed. Heiberg] (Leipzig: Teubner, 1883) [link] [alt. link]; vol. 2 [Elementa Books 5-9, ed. Heiberg] (Leipzig: Teubner, 1884) [link] [alt. link]; vol. 3 [Elementa Book 10, ed. Heiberg] (Leipzig: Teubner, 1886) [link] [alt. link]; vol. 4 [Elementa Books 11-13, ed. Heiberg] (Leipzig: Teubner, 1885) [link] [alt. link]; vol. 5 [Elementa Books "14-15"; Scholia in Elementa; Prolegomena Critica; Appendices - ed. Heiberg] (Leipzig: Teubner, 1888) [link] [alt. link]; vol. 6 [Euclidis Data cum commentario Marini et scholiis antiquis, ed. H. Menge] (Leipzig: Teubner, 1896) [link] [alt. link]; vol. 7 [Euclidis Optica, Opticorum recensio Theonis, Catoptrica, cum scholiis antiquis, ed. I. L. Heiberg (Leipzig: Teubner, 1895) [link] [alt. link]; vol. 8 [Phaenomena et Scripta Musica, ed. Menge; Fragmenta, ed. Heiberg] (Leipzig: Teubner, 1916) []; supplementum / vol. 9 [Anaritii in decem libros priores Elementorum Euclidis Commentarii, ed. M. Curtze] (Leipzig: Teubner, 1899) [link]

Ancient Commentaries
  • Proclus, In primum Elementorum Euclidis librum Commentarii, ed. G. Friedlein (Leipzig: Teubner, 1873) [link]