The Amalsa Aircraft Buyers Digest. Fort Collins, Colo. Amalsa, Inc., April 1978

The Amalsa Aircraft Buyers Digest. Fort Collins, Colo. Amalsa, Inc., April 1978, Volume: Gilbert D34. Robert L. Gilbert First Issues collection, Gilbert. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/525117 Accessed December 27, 2025.