Monsters of Moyen
Arthur J. Burks
A Fighting Man of Mars
Edgar Rice Burroughs
Barsoom (7)
The Metal Horde
John W. Campbell, Jr.
Amazing Stories Quarterly 1930 Spring v03n02
Amazing Stories Quarterly
Air Wonder Stories 1930-04 v01n10
Air Wonder Stories
Science Wonder Quarterly 1930 Spring
Science Wonder Quarterly
Science Wonder Stories 1930-03 v01n10
Science Wonder Stories
Astounding Stories of Super-Science 1930-03 v01n03
Astounding Stories
Amazing Stories 1930-03 v04n12
Amazing Stories
Argosy 1930-03-15 - The Radio Gun-Runners (Part 4 of 6)
Argosy
Brigands of the Moon
Ray Cummings
Gregg Haljan (1)
The X-Gas
Cyril Plunkett
The Color of Space
Charles R. Tanner
Air Wonder Stories 1930-03 v01n09
Science Wonder Stories 1930-02 v01n09
Astounding Stories of Super-Science 1930-02 v01n02
Amazing Stories 1930-02 v04n11
The Comet-Drivers
Edmond Hamilton
Interstellar Patrol (5)
The Fearsome Touch of Death
Robert E. Howard
Horror (1928)
Air Wonder Stories 1930-02 v01n08