^"U.S. Army Aircraft 1908-1946" by James C. Fahey, 1946, 64pp.
^Francillon, René J. McDonnell Douglas aircraft since 1920 : Volume I. London: Naval Institute Press. 1988: 111–118. ISBN 0870214284.
^Swanborough, F. G.; Bowers, Peter M. United States military aircraft since 1909 Revised. London: Putnam. 1971: 231–233. ISBN 0370000943.
^"The Complete Encyclopedia of World Aircraft" cover (頁面存檔備份,存於互聯網檔案館) Editors: Paul Eden & Soph Moeng, (Amber Books Ltd. Bradley's Close, 74-77 White Lion Street, London, NI 9PF, 2002, ISBN0-7607-3432-1), 1152 pp.