細節
Dallas Brett: The History of British Aviation 1908-1914, 1st ed, 1932; Santos, D: My Airships, 1904; Lanchester, F.W: Aircraft in Warfare, 1916 (with an extremely amusing review by the author of his own book 25 years later in typescript pasted inside the front cover); a collection of maps of First World War battle fields contained in a box in the form of a book titled 'Military Operations 1915'; Harper E.H. and Fergusson, A: Aerial Locomotion, 1911 and Harper, H: The Evolution of the Flying Machine (with dust jacket), 1930 (6)