83 books
Euclid's Elements of Geometry, the First Four Books, by R. Potts. Corrected and Improved
Euclidis Elementorum Libri Sex Priores, Graece Et Latine, Comm. Illustr., Ed. I. G. Camerer
The First Three Books of Euclid's Elements of Geometry, with Theorems and Problems, by T. Tate