Flight Plan. Washington, D.C.: National Aeronautic Association, March 10, 1946

Flight Plan. Washington, D.C.: National Aeronautic Association, March 10, 1946, Volume: Gilbert D342. Robert L. Gilbert First Issues collection, Gilbert. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/525965 Accessed December 28, 2025.