- Sons of thunder, William W. Johnstone and J.A. Johnstone
- The jackals, by William W. Johnstone with J.A. Johnstone
- The black hills, William W. Johnstone with J.A. Johnstone
- Old cowboys never die, William W. Johnstone and J.A. Johnstone
- Riding the nightmare, William W. Johnstone and J.A. Johnstone
- The great train massacre, William W. Johnstone with J. A. Johnstone
- Never let them see you bleed, William W. Johnstone and J.A. Johnstone
- They came to kill, William W. Johnstone, J. A. Johnstone
- The devil to pay, a Texas dynasty, the Kerrigans, William W. Johnstone with J. A. Johnstone
- Have brides, will travel, William W. Johnstone with J. A. Johnstone
- Last stage to El Paso, William W. Johnstone and J.A. Johnstone
- Texarkana, William W. Johnstone and J.A. Johnstone
- Cold-blooded, William W. Johnstone with J. A. Johnstone
- Springfield 1880, William W. Johnstone ; with J.A. Johnstone
- Lone Star legacy, William W. Johnstone and J.A. Johnstone
- The backstabbers, William W. Johstone, J. A. Johnstone
- Colter's journey, William W. Johnstone with J. A Johnstone
- Death rides alone, William W. Johnstone with J.A. Johnstone
- MacCallister: stranglehold, William W. Johnstone with J.A. Johnstone
- Shotgun Johnny, William W Johnstone and J.A. Johnstone
- The edge of violence, William W. Johnstone ; with J.A. Johnstone
- Riding shotgun, William W. Johnstone with J. A. Johnstone
- Deadly day in Tombstone, William W. Johnstone ; with J. A. Johnstone
- Pray for death, William W. Johnstone and J.A. Johnstone
- Mean and evil, William W. Johnstone and J. A. Johnstone
- Bad hombres, William W. Johnstone and J.A. Johnstone
- Killers never sleep, William W. Johnstone and J.A. Johnstone
- Hate thy neighbor, the Kerrigans a Texas dynasty, by William W. Johnstone with J.A. Johnstone
- The intruders, William W. Johnstone and J.A. Johnstone
- Ride the savage land, William W. Johnstone with J. A. Johnstone
- Preacher's rage, William W. Johnstone with J. A. Johnstone
- Remington 1894, William W. Johnstone ; with J. A. Johnstone
- Torture of the mountain man, by William W. Johnstone with J. A. Johnstone
- Hell's half acre, by William W. Johnstone with J. A. Johnstone
- Cutthroats, William W. Johnstone ; with J. A. Johnstone
- Die by the gun, William W. Johstone with J.A. Johnstone
- Shawn O'Brien, better off dead, William W. Johnstone with J.A. Johnstone
- North of Laramie, William W. Johnstone and J. A. Johnstone
- Texas John Slaughter, William W. Johnstone with J. A. Johnstone
- A Jensen family Christmas, William W. Johnstone with J.A.Johnstone
- Black Hills blood hunt, William W. Johnstone and J.A. Johnstone
- Winchester 1887, William W. Johnstone with J.A. Johnstone
- Settling his hash, William W. Johnstone and J.A. Johnstone
- Shot to hell, William W. Johnstone and J. A. Johnstone
- Burning daylight, William W. Johnstone with J.A. Johnstone
- Frontier America, William W. Johnstone ; and J. A. Johnstone
- Devil's gulch, William W. Johnstone and J. A. Johnstone
- Dead river, William W. Johnstone and J. A. Johnstone
- Texas John Slaughter, the edge of hell, by William W. Johnstone ; with J.A. Johnstone
- Slaughter at Wolf Creek, William W. Johnstone and J. A. Johnstone