Aerial Warfare in World War I, pp 18-36. Book call no. A Case Study . Chapter I. World War I and the Emergence of Strategic Attack Concepts and Capability, pp 1-14. Notes on Chapter I, pp 179-180.
Book call no.
358.42 F136s Kennett, Lee. The First Air War, 1914-1918 . New York, Free Press, 1991. This is true, but it is also understandable. The air weapon was after all distinctive, indeed unique.