The Voice of El-Lil
Robert E. Howard
Fantasy Adventure (1930)
Spawn of the Comet
Otis Adelbert Kline
The Electric Executioner
H. P. Lovecraft
The Hills of the Dead
Solomon Kane (1930)
The Voice of the Void
John W. Campbell, Jr.
Piracy Preferred
Arcot, Morey and Wade (1.1)
The City of the Living Dead
Laurence Manning & Fletcher Pratt
Monsters of Moyen
Arthur J. Burks
The Comet-Drivers
Edmond Hamilton
Interstellar Patrol (5)
Microcosmic Buccaneers
Harl Vincent
The Chamber of Life
Paul Chafe & G. Peyton Wertenbaker
The Shadow Kingdom
Kull of Valusia (1926)
Within the Nebula
Interstellar Patrol (3)
The Dunwich Horror
Cthulhu Mythos (1)
The Star-Stealers
Interstellar Patrol (2)
The Testament of Magdalen Blair
Aleister Crowley
When the World Screamed
Arthur Conan Doyle
Professor Challenger (4)
Crashing Suns
Interstellar Patrol (1)
Red Shadows
Solomon Kane (1)
The Call of Cthulhu