Geometry : the elements of Euclid and Legendre simplified and arranged to exclude from geomtrical reasoning the reductio ad absurdum : with the elements of plane and spherical trigonometry, and exercises in elementary geometry and trigonometry / /c By Lawrence S. Benson
Benson, Lawrence S. (Lawrence Sluter); Legendre, A. M. (Adrien Marie), 1752-1833