New Worlds (US) 1960-06 v01n04
New Worlds (US)
Ships to the Stars
Fritz Leiber
The Ultimate Weapon
John W. Campbell
Venture (UK) 1963-10 v06n02
Venture (UK)
Worlds of Fantasy 1968 v01n01
Worlds of Fantasy
Horror Monsters 1962 v01n04
Horror Monsters
Fantastic 1963-12 v12n12
Fantastic
Fantastic 1964-11 v13n11
ERBdom 1965-10 #14
ERBdom
ERBdom 1967-11 #22