Robert Moore Williams: When Two Worlds Meet (1950-04 A)

Morrison Colladay: The Blattids (1931-12 A)

[E. M. Scott]: What Happened to Professor Stockley? (1931-12 A) #unknown

[Fred Kennedy]: Trail by Television (1931-12 A) #unknown

Harl Vincent & Roy Cox: Sky Cops (1931-12 A)

[B.X. Barry]: Pirates of Space (1931-12 A) #unknown

Paul H. Lovering: The Inevitable Conflict (1931-12 A) Serial (2P)

I. R. Nathanson: The Antarctic Transformation (1931-11 A)

Adelbert Roland McKenzie: Luvium (1931-11 A)

David H. Keller: The Rat Racket (1931-11 A)

Abner J. Gelula: Automaton (1931-11 A)

John William Groves: The Sphere of Death (1931-10 A)

Harl Vincent: A Matter of Ethics (1931-10 A)

Bob Olsen: The Master of Mystery (1931-10 A)

Bernhard Brown: Prima Donna 1980 (1931-10 A)

Jack Williamson: The Stone from the Green Star (1931-10 A) Serial (2P)

Richard O. Lewis: The Thirteenth Mr. Tumps (1940-02 A)

David Wright O'Brien: Truth is a Plague (1940-02 A)

Harl Vincent: Undersea Prisoner (1940-02 A)

Robert Moore Williams: Rockets over Europe (1940-02 A)