Keywords: Byrne drop letter T.png Oliver Byrne's text of Euclid's Elements https //en wikisource org/wiki/Index First_six_books_of_the_elements_of_Euclid_1847_Byrne djvu 1847 https //archive org/details/firstsixbooksofe00byrn Oliver Byrne Euclid other versions PD-old-70-1923 Uploaded with UploadWizard Byrne's Euclid |