Henry H. Arnold, Military Aviator . 92 A755da Dictionary of American Biography. Supplement 4, edited by John A. Garraty and Edward T. James. New York, Scribner, 1974. Henry H. Arnold, pp 27-30.
Book call no.
R 920.07 D56 Suppl. 3-4 Dictionary of American Military Biography. Volume 1, edited by Roger J. Spiller and others. Greenwood Press, 1984. Book call no.