Scientific Detective Monthly
The Curse of Yig
Zealia Bishop
SS (1)
The Crystal Ray
Raymond Z. Gallun
The Killing Flash
Hugo Gernsback
The Undersea Tube
L. Taylor Hansen
Microcosmic Buccaneers
Harl Vincent
Air Wonder Stories 1929-10 v01n04
Air Wonder Stories
Science Wonder Stories 1929-10 v01n05
Science Wonder Stories
Amazing Stories Quarterly 1929 Fall v02n04
Amazing Stories Quarterly
Skull-Face
Robert E. Howard
Steve Harrison (1)
The Chamber of Life
Paul Chafe & G. Peyton Wertenbaker
Air Wonder Stories 1929-09 v01n03
Science Wonder Quarterly 1929 Fall
Science Wonder Quarterly
Science Wonder Stories 1929-09 v01n04
Tarzan at the Earth's Core
Edgar Rice Burroughs
Tarzan (13)
The Mirrors of Tuzun Thune
Kull of Valusia (1)
The Radium Pool / The Red Dimension / The Phantom of Terror
Ed Earl Repp
Air Wonder Stories 1929-08 v01n02
Amazing Stories 1929-08 v04n05
Amazing Stories
The Shadow Kingdom
Kull of Valusia (1926)