John Potocki's "The Colt Model 1905 Automatic Pistol", Don Wilkerson's "Scouts, Peacemakers and New Frontiers in .22 Caliber", Doc O'Meara's "Colt's Single Action Army Revolver", Timothy Mullin's "American Beauty", R.L. Wilson's "COLT: An American Legend", and R.L. Wilson's "The Peacemakers".