The National Flying Farmer; The Magazine of the National Flying Farmers Association. Nowata, Oklahoma: The National Flying Farmer Publishing Co., Inc., October 1947

The National Flying Farmer; The Magazine of the National Flying Farmers Association. Nowata, Oklahoma: The National Flying Farmer Publishing Co., Inc., October 1947, Volume: Gilbert D686. Robert L. Gilbert First Issues collection, Gilbert. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/526793 Accessed December 27, 2025.