Heredity
Isaac Asimov
Reason
Mike Donovan (Robot) (1)
They
Robert A. Heinlein
Man From the Wrong Time-Track
Denis Pilmer
Callistan Tomb
Frederik Pohl & C. M. Kornbluth
Famous Fantastic Mysteries 1941-04 v03n01
Famous Fantastic Mysteries
Amazing Stories 1941-04 v15n04
Amazing Stories
Unknown 1941-04 v04n06
Unknown
Planet Comics 012 1941-05
Planet Comics
Astounding Science-Fiction 1941-05 v27n03
Astounding Stories
Weird Tales 1941-05 v35n09 (-ifc)
Weird Tales
Tomorrow, the Stars
Men, Martians and Machines
Eric Frank Russell
Jay Score/Marathon (1)
The Science Fiction Hall of Fame, Volume Two A
Ben Bova
The Science Fiction Hall of Fame (2)
Universe
Solution Unsatisfactory
Best Friend
C. M. Kornbluth
Dimension of Darkness
The Improbable
Charles R. Tanner
Jay Score