LeMaitre, W. Natural stability and the parachute principle in aeroplanes, by W. Le Maitre. With 34 illustrations. - London, New York, E. & F. N. Spon, ltd; Spon & Chamberlain, 1911. - 46 p. incl. front., diagrs. 19 cm. - The S. & C. series. no. 39 . LCCN: w 12000096 Subjects--Topical Terms: Airplanes.Aeronautics. LC Class. No.: TL574.S7 / L4