Wings of war
Subtitle: an account of the important contribution of the United States to aircraft invention, engineering, development and production during the world war
By: by Theodore Macfarlane Knappen, with an introduction by Rear-Admiral D. W. Taylor.  With 43 illustrations.
Publisher: G. P. Putnam's sons
Published: 1920
Place of publication: New York; London
Subjects: World War, 1914-1918 -- Aerial operations; World War, 1914-1918 -- United States; Aeronautics, Military -- United States