Includes the following books: Clawson's "Colt .45 Government Models (Commercial Series) and "Colt .45 Service Pistols," Graham, Kopec and Moore's "A Study of the Colt Single Action Army Revolver," Wilkerson's "The Post-War Colt Single Action Revolver, 1976-1986" and "The Post-War Colt Single Action Revolver, 1955-1975," and Cochran's "Colt Peacemaker Encyclopedia Vols. 1 and 2". Also includes a number of Colt catalogs from the 1970s-1990s