Mercenary
Mack Reynolds
Joe Mauser (1)
Mercenary from Tomorrow
Once Departed
Pacifist
Perchance to Dream
Planetary Agent X
United Planets (1)
Police Patrol: 2000 A.D.
Police Patrol (1)
Revolution
The Rival Rigelians and Planetary Agent X
The Rival Rigelians
United Planets (3)
Rolltown
Bat Hardin (3)
Romp