Perspective in Photography by R. Colson, Captain of the Engineers, Physics Tutor at the École Polytechnique in Paris
 Paris: Gauthier-Villars et Fils, 1894. First Edition
 72 pages including 11 illustrations
 Distributed by Eugène FALLER, Patented Manufacturer SGDG of photographic equipment, 6 & 8 rue du Temple, Paris