Warplane Spotter's Manual. unknown place: National Aeronautics Council, Inc. (Part A), 1943

Warplane Spotter's Manual. unknown place: National Aeronautics Council, Inc. (Part A), 1943, Volume: Gilbert B304. Robert L. Gilbert First Issues collection, Gilbert. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/527994 Accessed December 26, 2025.