Famous Fantastic Mysteries. New York, N.Y.: The Frank A. Munsey Company, September/October 1939

Famous Fantastic Mysteries. New York, N.Y.: The Frank A. Munsey Company, September/October 1939, Volume: Gilbert C178. Robert L. Gilbert First Issues collection, Gilbert. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/525900 Accessed December 27, 2025.