Captain Future; Wizard of Science. New York: Better Publications, Inc., Winter 1940

Captain Future; Wizard of Science. New York: Better Publications, Inc., Winter 1940, Volume: Gilbert C94. Robert L. Gilbert First Issues collection, Gilbert. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/525454 Accessed March 22, 2026.