Versailles, France (Publisher, Printer)
A. Bourdier was a publishing and printing firm in Paris that employed heliotype, a photo-mechanical process for printing pictures or type made by exposing a plate (copper, stone, or glass) covered in gelatin film under a negative, hardening it with chrome alum, and printing directly from it.. Books published by this firm are often labeled Editions Artistiques et Scientifiques A. Bourdier.