The Blue Beetle. New York, N.Y. Fox Publications, Inc., 1939

The Blue Beetle. New York, N.Y. Fox Publications, Inc., 1939, Volume: Gilbert D118. Robert L. Gilbert First Issues collection, Gilbert. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/525322 Accessed December 27, 2025.