Ananias
L. Sprague de Camp
Miracle in Three Dimensions
C. L. Moore
Madness from Mars
Clifford D. Simak
One Against the Legion
Jack Williamson
Legion of Space (3)
Dynamic Science Stories 1939-04 v01n02
Dynamic Science Stories
Amazing Stories 1939-04 v13n04
Amazing Stories
Astounding Science-Fiction 1939-04 v23n02
Astounding Stories
Marvel Science Stories 1939-04/1939-05 v01n04
Marvel Science Stories
Thrilling Wonder Stories 1939-04 v13n02
Thrilling Wonder Stories
Argosy Weekly 1939-04-01 Seven Out of Time (Part 4 of 6) / The ...
The Argosy
Argosy Weekly 1939-04-08 Seven Out of Time (Part 5 of 6) / Out ...
Argosy Weekly 1939-04-15 Seven Out of Time (Part 6 of 6)
Argosy Weekly 1939-04-22 Minions of the Moon (Part 1 of 3)
Argosy Weekly 1939-05-06 Minions of the Moon (Part 3 of 3) / ...
Argosy
Argosy Weekly 1939-05-27 Tomorrow
Employment
The Day Is Done
Lester Del Rey
The Weapon Too Dreadful to Use
Isaac Asimov
Robots, Empire, Foundation (2)
Tomorrow
Arthur Leo Zagat
Tomorrow (1)
Amazing Stories 1939-05 v13n05