(en) Norman Franks, Russell Guest et Gregory Alegi, Above the War Fronts: The British Two-seater Bomber Pilot and Observer Aces, the British Two-seater Fighter Observer Aces, and the Belgian, Italian, Austro-Hungarian and Russian Fighter Aces, 1914–1918, vol.4, Grub Street, , 218p. (ISBN1-898697-56-6, EAN978-1-89869-756-5).