Breihan, Carl W.; Lawmen and Robbers, Caldwell: Caxton Printers, 1986.
Breihan, Carl W.; Gunslingers, Wauwatosa: Leather Stocking Books, 1984.
Connelley, William Elsey; Wild Bill and His Era; The Life and Adventures of James Butler Hickok, New York: Cooper Square Publishers, 1972.
DeArment, Robert K.; Bat Masterson, The Man and The Legend, Norman: University of Oklahoma Press, 1979.
Dyer, Robert; Jesse James and the Civil War in Missouri, Columbia: University of Missouri Press, 1994.
Earp, Josephine Sarah Marcus; I Married Wyatt Earp: The Recollections of Josephine Sarah Marcus Earp, ed. Glenn G. Boyer. Tucson: University of Arizona Press, 1976.
The Gunfighters, New York: Time-Life Books, 1974. Series title: Old West
McGrath, Roger D.; Gunfighters, Highwaymen, and Vigilantes: Violence on the Frontier, Berkeley: University of California Press, 1984.
Marks, Paula Mitchell; And Die in the West: The Story of O.K. Corral Gunfight, New York: Simon & Schuster, 1990, 1989.
Miller, Nyle H.; Great Gunfighters of the Kansas Cowtowns, 1867-1886, Lincoln, University of Nebraska Press 1963.
O'Neal, Bill; Encyclopedia of Western Gunfighters, Norman: University of Oklahoma Press, 1979.
Otero, Miguel Antonio; My life on the frontier..., New York: The Press of the Pioneers, 1935-39.
Phillips, William T.; The Bandit Invincible: The Story of the Outlaw Butch Cassidy, Hamilton: Rocky Mountain House Press, 1986.
Rosa, Joseph G.; Guns of the American West, New York : Crown, 1985.
Schoenberger, Dale T.; The Gunfighters, Caldwell, Caxton Printers, 1971.
Settle, William A.; Jesse James Was His Name, Lincoln: University of Nebraska Press, 1977, 1966.
Steele, Phillip W.; Civil War in the Ozarks, Gretna: Pelican Pub. Co., 1993.
Sutton Fred E.; Hands up! Stories of the Six-gun Fighters of the Old Wild West, Indianapolis, Bobbs-Merrill Co. 1927.
Utley, Robert Marshall; Billy the Kid: A Short and Violent Life, Lincoln: University of Nebraska Press, 1989.
Utley, Robert Marshall; High Noon in Lincoln: Violence on the Western Frontier, Albuquerque: University of New Mexico Press, 1987.
