Flight; The Pictorial Flying Review. Springfield, Mass.: First Publications, Inc., December 1940

Flight; The Pictorial Flying Review. Springfield, Mass.: First Publications, Inc., December 1940, Volume: Gilbert D339. Robert L. Gilbert First Issues collection, Gilbert. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/525961 Accessed December 28, 2025.