Detective; The Magazine with the Nightstick. Springfield, Mass.: Delo Publications, November 1933

Detective; The Magazine with the Nightstick. Springfield, Mass.: Delo Publications, November 1933, Volume: Gilbert D261. Robert L. Gilbert First Issues collection, Gilbert. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/525745 Accessed December 28, 2025.