British aviation, widening horizons, 1930-1934 /

by Penrose, Harald
London : H.M. Stationery Off., 1979

British aviation, the ominous skies, 1935-1939 /

by Penrose, Harald
London : H.M.S.O., 1980

British aviation; the Great War and Armistice, 1915-1919.

by Penrose, Harald
New York : Funk & Wagnalls, 1970

An ancient air : a biography of John Stringfellow of Chard, the Victorian aeronautical pioneer /

by Penrose, Harald
Washington, D.C. : Smithsonian Institution Press, 1989

British aviation; the adventuring years, 1920-1929.

by Penrose, Harald
London : Putnam, 1973

British aviation: the pioneer years 1903-1914.

by Penrose, Harald
London : Fallbrook (Calif.) Putnam; Aero Publishers, 1967

British aviation: the Great War and Armistice, 1915-1919.

by Penrose, Harald
London, Putnam, 1969