Slan
A. E. Van Vogt
Slan (1)
Homo Sol
Isaac Asimov
Robots, Empire, Foundation (8)
Blowups Happen
Robert A. Heinlein
Future History (1)
Magic, Inc.
Fantastic Novels 1940-09 v01n02
Fantastic Novels
Weird Tales 1940-09 v35n05
Weird Tales
Thrilling Wonder Stories 1940-09 v17n03
Thrilling Wonder Stories
Startling Stories 1940-09 v04n02
Startling Stories
Amazing Stories 1940-09 v14n09
Amazing Stories
Argosy Weekly 1940-09-07 Minions of Mercury (Part 2 of 5)
Argosy
Argosy Weekly 1940-09-14 Minions of Mercury (Part 3 of 5) / ...
Argosy Weekly 1940-09-21 Minions of Mercury (Part 4 of 5) / ...
Argosy Weekly 1940-09-28 Minions of Mercury (Part 5 of 5) / ...
Unknown 1940-09 v04n01
Unknown
Astonishing Stories 1940-10 v02n01
Astonishing Stories
Thrilling Wonder Stories 1940-10 v18n01
Unknown 1940-10 v04n02
Science Fiction of the Forties
Frederik Pohl
The Wheels of If, and Other Science Fiction
L. Sprague de Camp
Beyond Human Ken
Judith Merril