Harl Vincent
Astounding Stories 02, February 1930
Astounding Stories 07, July 1930
Astounding Stories 08, August 1930
Astounding Stories 10, October 1930
Astounding Stories 11, November 1930
Astounding Stories 12, December 1930
Astounding Stories 15, March 1931
Astounding Stories 20, August 1931
Four Science Fiction Novellas
Menace from Below