- Nice guys finish dead, William W. Johnstone and J.A. Johnstone
- Old cowboys never die, William W. Johnstone and J.A. Johnstone
- Savage Sunday, a Duff MacCallister western, William W. Johnstone and J. A. Johnstone
- Johnstone, William W, First mountain man, v. 21
- Hunter's moon, William W. Johnstone and J.A. Johnstone
- Johnstone, William W, Old cowboys never die, 03
- Johnstone, William W, Buck Trammel western, 06
- Biscuits and gravy, William W. Johnstone and J.A. Johnstone
- Bullet for a stranger, a Red Ryan western, William W. Johnstone and J.A. Johnstone
- To the river's end, William W. Johnstone and J.A. Johnstone
- Shadow of a dead man, William W. Johnstone and J. A. Johnstone
- Slaughter at Wolf Creek, William W. Johnstone and J.A. Johnstone
- The Butcher of Bear Creek, William W. Johnstone with J.A. Johnstone
- Brannigan's Land, William W. Johnstone, J. A. Johnstone
- Johnstone, William W, First mountain man (New York, N.Y.)
- Buzzard's Bluff, William W. Johnstone and J. A. Johnstone
- The great train massacre, William W. Johnstone with J. A. Johnstone
- Montana gundown, William W. Johnstone with J.A. Johnstone
- Ride for vengeance, William W. Johnstone with J.A. Johnstone
- Trek of the mountain man, William W. Johnstone
- Kill me tomorrow, William W Johnstone and J.A. Johnstone
- Helltown massacre, the family Jensen, William W. Johnstone, with J.A. Johnstone
- Power of the mountain man, William W. Johnstone
- The darkest winter, William W. Johnstone with J.A. Johnstone
- Old cowboys never die, William W. Johnstone and J.A. Johnstone
- Johnstone, William W, Luke Jensen, bounty hunter, bk. 07
- Johnstone, William W, Slash and Pecos western, 06
- Twelve dead men, William W. Johnstone with J.A. Johnstone
- The family Jensen, William W. Johnstone, with J. A. Johnstone
- Defiance of eagles, William W. Johnstone with J.A. Johnstone
- Deadwood gulch, William W. Johnstone, with J.A. Johnstone
- Red River vengeance, William W. Johnstone and J.A. Johnstone
- Preacher's peace, William W. Johnstone
- Ride the savage land, William W. Johnstone with J.A. Johnstone
- Winchester 1886, William W. Johnstone, J.A. Johnstone
- Johnstone, William W, Will Tanner, U.S. deputy marshal, 06
- Shawn O'Brien manslaughter, William W. Johnstone with J. A. Johnstone
- Rising fire, the Jensen brand, William W. Johnstone and J. A. Johnstone
- Shootout at Gold Creek, William W. Johnstone
- Death & Texas, William W. Johnstone and J. A. Johnstone
- The butcher of Bear Creek, William W. Johnstone with J.A. Johnstone
- Never let them see you bleed, William W. Johnstone and J.A. Johnstone
- Johnstone, William W, Kerrigans, 04
- Luke Jensen, Bounty Hunter, William W. Johnstone with J.A. Johnstone
- Twelve dead men, those Jensen boys!, William W. Johnstone ; with J. A. Johnstone
- Cunning of the mountain man, William W. Johnstone
- Johnstone, William W, Mountain man series, 19
- Johnstone, William W, Red Ryan western, 03
- Taylor Callahan, circuit rider, William W. Johnstone and J. A. Johnstone
- Stand up and die, William W. Johnstone and J. A. Johnstone