Reg'lar Fellers Heroic Comics. New York: The Eastern Color Printing Company, August 1940

Reg'lar Fellers Heroic Comics. New York: The Eastern Color Printing Company, August 1940, Volume: Gilbert D431. Robert L. Gilbert First Issues collection, Gilbert. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/527302 Accessed December 28, 2025.