The Time Cylinder
Otto Binder
The Trans-Human
Murray Leinster
The Triggered Dimension
Harry Bates
The Ultimate City
Richard Tooker
Ultimate Life
Henry Hasse & Albert dePina
Utopia
John Scott Campbell
Nightmare Planet
Burl (3)
The Science-Fiction Industry
Hugo Gernsback
Editorial (1)
Target Generation
Clifford D. Simak
Strangers In The Universe (1)
Retrograde Evolution
Strangers In The Universe (5)
The Vampirate
James H. Schmitz
Telzey Amberdon (1)