Aeroplanes and aero-engines in detail Aircraft design : sketch Book Armamant of British Aircraft 1909-1939 Warplanes of the third Reich encyclopedia of German Military Aircraft German aircraft interiors 1935-1945 : vol. 1 Wings of the Luftwaffe : Flying German Aircraft of the Second World War German aircraft of the First World War Winds of the Eagle : a history of german aviation 1966-1976 Hubschrauber-transport-geschwader 64 Deutsche Oldtimer flugzeuge Soviet helicopters : Design, Development and Tactics