(book) "Memoirs of World War I: From Start to Finish of Our Greatest War". New York: Random House, 1960. (Reissued by Greenwood Press in 1975, ISBN 0837181496)
(book) "General Greely: The Story of a Great American" New York: G.P. Putnam's Sons, 1936.
(book) "Winged Defense: The Developments and Possibilities of Modern Air Power--Economic and Military". New York: G.P. Putnam's Sons, 1925.
(book) "Skyways: A Book on Modern Aeronautics". Philadelphia, PA: Lippincott, 1930.
(book) "Our Air Force: The Keystone to National Defense". New York: E.P. Dutton, 1921.