Above the French Lines Letters of Stuart Walcott, American Aviator: July 4, 1917, to December 8, 1917

"Green Balls" : The Adventures of a Night-Bomber

Aeroplanes and Dirigibles of War

Air Men o' War

Aircraft and Submarines The Story of the Invention, Development, and Present-Day Uses of War's Newest Weapons

An Aviator's Field Book Being the field reports of Oswald Bölcke, from August 1, 1914 to October 28, 1916

Cavalry of the Clouds