The Copper-Clad World
Harl Vincent
Devil Crystals of Arret
Hal K. Wells
The God in the Box
Sewell Peaslee Wright
John Hanson (1)
Astounding Stories 1931-09 v07n03
Astounding Stories
Wonder Stories 1931-09
Wonder Stories
Wonder Stories Quarterly 1931 Fall v03n01
Wonder Stories Quarterly
Argosy Weekly 1931-s09-12 Red Twilight (Part 1 of 3)
Argosy Weekly
Argosy Weekly 1931-09-19 Red Twilight (Part 2 of 3)
The Derelict of Space
Ray Cummings & William Thurmond
Tarzan Triumphant
Edgar Rice Burroughs
Tarzan (15)
The Red Hell of Jupiter
Paul Ernst
The Gods of Bal-Sagoth
Robert E. Howard
Turlogh O'Brien (1)
The Strange High House in the Mist
H. P. Lovecraft
The Solar Magnet
S. P. Meek
Doctor Bird and Operative Carnes (1)
The Resurrection of the Rattlesnake
Clark Ashton Smith
In the Orbit of Saturn
R. F. Starzl
Seeds of Life
John Taine
Galaxy Science Fiction Novel (13)
The Heads of Apex
Francis Flagg & David Baldwin
Astounding Stories 1931-10 v08n01
Amazing Stories Quarterly 1931 Fall v04n04
Amazing Stories Quarterly