Charles Willard Diffin

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Astounding Stories of Super-Science, July 1930, [en] 1930

Astounding Stories of Super-Science, December 1930, [en] 1930

Astounding Stories, May, 1931, [en] 1931

Astounding Stories, February, 1931, [en] 1931

Astounding Stories of Super-Science, January 1931, [en] 1931

Astounding Stories, June, 1931, [en] 1931

Brood of the Dark Moon, [en] 1931

Two Thousand Miles Below, [en] 1932

The Hammer of Thor, [en] 1932

The Finding of Haldgren, [en] 1932