January 1931 Edited by the British Gliding Association

Author Otto Lilienthtal (trans AW Isenthal)   Published in 1911  Published by Longmans, Green & Co, London

Compiled by George Camp   Published by Gordonair

Compiled by Gordon Camp     Published by Gordonair

Compiled by Gordon Camp    Published by the British Gliding Association

Compiled by Gordon Camp     Published by the Britush Gliding Association

3rd Edition Author Wally Kahn    Published 2011    Published by Walter Kahn

Author Peter Moran    Published in 1984  Published by Blandford Press, Poole

Author Manfred Curry with an introduction by Louis Breguet     Published in 1931    Publisher Arts et Metiers Graphiques, Paris

Edited by Victor W Page    Published in 1931   Published by Chapman & Hall, London