Zeppelin, the story of ligher-than-air craft, by the late Captain Ernst A. Lehmann, Ernst August, 1886-1937. - Lehmann, Ernst August 1886-1937; Adelt, Leonhard 1881.; Dratler, Jay 1911.; Rosendall, Charles Emery 1892. (London Longmans, 1937)
"First edition."
Keywords: Air-ships.; European war, 1914-1918 -- Aerial operations