Cool Air
H. P. Lovecraft
The Ninth Life
E. Charles Vivian
Gees (1)
The Edge of Running Water
William Sloane
The Black Flame
Stanley G. Weinbaum
Margaret of Urbs (2)
The New Adam
Sixty Days to Live
Dennis Wheatley
The Trojan Beam
John Wyndham
BoW (4)
A Message to the Future
uncredited
Amazing Stories 1939-01 v13n01
Amazing Stories
Astounding Science-Fiction 1939-01 v22n05
Astounding Stories
Startling Stories 1939-01 v01n01
Startling Stories
Marvel Science Stories 1939-02 v01n03
Marvel Science Stories
Weird Tales 1939-02 v33n02 (-ifc)
Weird Tales
Valley Of Lost Souls
Otto Binder
Living Fossil
L. Sprague de Camp
Cosmic Engineers
Clifford D. Simak
Wanted: 7 Fearless Engineers!
Nelson Tremaine
After World's End
Jack Williamson
Dynamic Science Stories 1939-02 v01n01
Dynamic Science Stories
Amazing Stories 1939-02 v13n02