The Ghost Super-Detective. New York, N.Y.: Better Publications, Inc., January 1940

The Ghost Super-Detective. New York, N.Y.: Better Publications, Inc., January 1940, Volume: Gilbert C209. Robert L. Gilbert First Issues collection, Gilbert. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/526074 Accessed March 22, 2026.