カーチス モデルD
40 hp(馬力) (30 kW (キロワット)) カーチス直列4気筒エンジン装着
"Pioneer Aircraft Early Aviation to 1914" Editor Philip Jarrett, (Putnam Aeronautical Books, 64 Brewery Road, London N7 9NT, ISBN 0851778690), page 154
"The Complete Encyclopedia of World Aircraft" cover Editors: Paul Eden & Soph Moeng, (Amber Books Ltd. Bradley's Close, 74-77 White Lion Street, London, NI 9PF, 2002, ISBN 0-7607-3432-1), 1152 pp.
Venango County Historical Society. Venango County 2000: The Changing Scene Vol. I. VCHS, Franklin PA. 2000. p. 127-128.
Taylor, Michael J. H. (1989). Jane's Encyclopedia of Aviation. London: Studio Editions. p. 216.