2 Collectible Reference BOOKS about Colt Firearms. "Colt Firearms Special Deluxe Edition" by James E. Serven, featuring a dark brown textured cover with an embossed revolver design. it was published by Stakpole Books 1981 (Third Printing originally copyrighted in 1954. "A Study of the Colt Single Action Army Revolver" by Ron Graham, A. Kopec and C. Kenneth Moore, bound in a light brown reptile-grain simulated leather cover with an embossed revolver graphic. Published by Taylor Publishing Company 1985 (Third Printing). COLLECTIBLE BOOKS