The Official Record Of The Colt Single Action Army Revolver 1873-1895: Don & Carol Wilkerson and Kathy Hoyt, Carol K. Wilkerson: 9780961787660: Amazon.com: Books
A Study of the Colt Single Action Army Revolver: Thirty Year Anniversary Edition: Ron Graham, John A. Kopec, C. Kenneth Moore: 9780961523626: Amazon.com: Books