Winged warfare
Bishop, William Avery,1894-1956.
Ulanoff, Stanley Melvin.
London Pan Books
1978
This ed. (with appendices) originally published: Garden City, N.Y. : Doubleday, 1967 ; Folkestone : Bailey and Swinfen, 1975
Great Britain. Royal Flying Corps.
World War, 1914-1918
World War, 1914-1918