How to Build a Muzzle Loading Rifle; Lock, Stock and Barrel. Cowher, Lou; William H. Hunley; LaDow Johnston. Friendship, IN: National Muzzle Loading Rifle Association, 1972. Ninth edition. Softcover, 88 pages, b&w drawings. Also includes "How to 'Fresh Out' a Muzzle Loading Rifle"; "Building a Muzzle Loading Target Pistol"; "Make Your Own Powder Flask"; "Let's Make and Trim a Powder Horn"; "The Manufacture of Gun Flints".