- Johnstone, William W, Chuckwagon trail western
- Johnstone, William W, First mountain man (New York, N.Y.)
- Johnstone, William W, Jensen brand, [5]
- The last of the dog team
- MacCallister, the Eagles Legacy : Kill Crazy, William W. Johnstone with J. A. Johnstone
- Shawn O'Brien, town tamer, by William W. Johnstone with J.A. Johnstone
- Johnstone, William W, Red Ryan western, 4
- Death & Texas, William W. Johnstone and J. A. Johnstone
- A quiet little town, William W. Johnstone and J.A. Johnstone
- Johnstone, William W, Will Tanner, U.S. deputy marshal, 4
- Johnstone, William W, Jackals
- Evil never sleeps, William W. Johnstone ; with J.A. Johnstone
- Johnstone, William W, Smoke Jensen novel of the West, 5
- Johnstone, William W, Family Jensen (Series)
- Johnstone, William W, Slash and Pecos western, book 3
- Luke Jensen, bounty hunter, William W. Johnstone with J.A. Johnstone
- Johnstone, William W, MacCallister, the eagles legacy (Series)
- An Arizona Christmas, William W. Johnstone with J. A. Johnstone
- Those Jensen boys!, William W. Johnstone with J. A. Johnstone
- A Death Valley Christmas, William W. Johnstone, J.A. Johnstone
- A dangerous man, a novel of William "Wild Bill" Longley, William W. Johnstone with J. A. Johnstone
- Johnstone, William W, Shawn O'Brien, bk. 2
- Flintlock, gut-shot, by William W. Johnstone with J. A. Johnstone
- Johnstone, William W, Jensen brand
- The wicked die twice, William W. Johnstone and J. A. Johnstone
- Massacre canyon, William W. Johnstone, with J.A. Johnstone
- Johnstone, William W, Perley Gates western
- A Jensen family Christmas, William W. Johnstone with J.A.Johnstone
- Will Tanner, U.S. Deputy Marshal, William W. Johnstone with J. A. Johnstone
- Brotherhood of evil, William W. Johnstone with J. A. Johnstone
- Johnstone, William W, Luke Jensen, bounty hunter, bk. 1
- Johnstone, William W, Jackals, 2
- Flintlock, a time for vultures, by William W. Johnstone with J. A. Johnstone
- MacCallister, the Eagles legacy : ten guns from Texas, by William W. Johnstone with J. A. Johnstone
- Shawn O'Brien, manslaughter, William W. Johnstone with J. A. Johnstone
- The Morgans, William W. Johnstone and J.A. Johnstone
- Johnstone, William W, Red Ryan western
- Dark night in big rock, William W. Johnstone and J.A. Johnstone
- Die by the gun, William W. Johstone ; with J.A. Johnstone
- Johnstone, William W, Smoke Jensen novel of the West
- A knife in the heart, William W. Johnstone and J. A. Johnstone
- Johnstone, William W, Hank Fallon western, bk. 4
- Preacher's hellstorm, by William W. Johnstone with J.A. Johnstone
- Johnstone, William W, Stoneface Finnegan, 1
- When the shooting starts, William W. Johnstone and J. A. Johnstone
- Pride of the mountain man
- Stand up and die, William W. Johnstone and J. A. Johnstone
- Red River vengeance, William W. Johnstone and J.A. Johnstone
- Hard ride to hell, the Family Jensen, William W. Johnstone with J.A. Johnstone
- Black Friday, William W. Johnstone with J. A. Johnstone