Under Arctic Ice
1981
Seed of the Arctic Ice
1981
Astounding Stories of Super-Science February 1930
Astounding Stories of Super-Science July 1930
Astounding Stories of Super-Science September 1930
Astounding Stories of Super-Science, March 1930
Astounding Stories of Super-Science, August 1930
Astounding Stories of Super-Science, May, 1930
Astounding Stories of Super-Science, June, 1930
Astounding Stories of Super-Science, October, 1930
Astounding Stories of Super-Science, November, 1930
Astounding Stories, February, 1931
Astounding Stories, March, 1931
Astounding Stories of Super-Science January 1931
Astounding Stories, April, 1931
Astounding Stories, May, 1931
Astounding Stories of Super-Science, December 1930
Astounding Stories, July, 1931