Adventure Trails, action stories the world over. Chicago, Ill. Manvis Publications, Inc., July 1938

Adventure Trails, action stories the world over. Chicago, Ill. Manvis Publications, Inc., July 1938, Volume: Gilbert C9. Robert L. Gilbert First Issues collection, Gilbert. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/525048 Accessed December 26, 2025.