Daredevil Battles Hitler. New York, N.Y.: Your Guide Publications, Inc., July 1941

Daredevil Battles Hitler. New York, N.Y.: Your Guide Publications, Inc., July 1941, Volume: Gilbert D253. Robert L. Gilbert First Issues collection, Gilbert. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/525725 Accessed December 28, 2025.