↑ Pilot's Flight Operating Instructions for Army Model CG4A Glider (TO No. 09-40CA-1).
Tài liệu
Andrade, John M. U.S. Military Aircraft Designations and Serials since 1909. Earl Shilton, Leister, UK: Midland Counties Publications, 1979. ISBN 0-904597-22-9.
Diehl, Alan E., PhD. Silent Knights: Blowing the Whistle on Military Accidents and Their Cover-ups. Dulles, Virginia: Brassey's, Inc., 2002. ISBN 1-57488-412-3.
Fitzsimons, Bernard, ed. "Waco CG-4A." Illustrated Encyclopedia of 20th Century Weapons and Warfare, Volume 11. London: Phoebus, 1978. ISBN 978-0-241-10864-2.
