- "Two Ravens and One Crow" (short story, 1959)
- "The Ballad of the Two Riders" (short story, 1959)
- "Ride with the Wind" (short story, 1960)
- "Gunfight in Dodge City" (short story, 1960)
- "The Day of the Hunter" (short story, 1960)
- "Massacre at Canyon Pass" (short story, 1960)
- "The Last Gunfight" (short story, 1961)
- "The Showdown" (short story, 1961)
- "The Challenge" (short story, 1961)
- "The Ambush" (short story, 1961)
- "The Outlaws" (novel, 1961)
- "Return of the Gunfighter" (novel, 1962)
- "Massacre in the Mountains" (novel, 1963)
- "The Trail Boss" (novel, 1963)
- "The Texas Kid" (novel, 1963)
- "The Arizona Ranger" (novel, 1964)
- "The California Gang" (novel, 1964)
- "The Colorado Gunman" (novel, 1965)
- "The Dakota Bandit" (novel, 1965)
- "The Oregon Outlaw" (novel, 1966)
- "The Utah Sheriff" (novel, 1967)
- "The Vermont Yankee" (novel, 1967)
- "The Washington Cowboy" (novel, 1968)
- "The Wyoming Rancher" (novel, 1968)
Non-fiction:
- "History of the Western Cattle Industry" (1950)
- "The Story of the Texas Rangers" (1952)
- "The Great West: A Pictorial History" (1954)
- "Cavalcade of the West: A Pictorial History" (1955)
- "The Old West: A Pictorial History" (1957)
- "The Civil War: A Pictorial History" (1958)
- "The American Revolution: A Pictorial History" (1959)
- "The History of the United States: A Pictorial History" (1960)
- "The Presidents of the United States: A Pictorial History" (1961)
- "The American Civil War: A Pictorial History" (1962)
- "The American Revolution: A Pictorial History" (1963)
- "The History of the United States: A Pictorial History" (1964)
- "The American Presidents: A Pictorial History" (1965)
- "The Civil War: A Pictorial History" (1966)
- "The American Revolution: A Pictorial History" (1967)
- "The History of the United States: A Pictorial History" (1968)
- "The American Presidents: A Pictorial History" (1969)