(Air Forces manual 49.) [Published for air surgeon, A. A. F. Convalescent Training Division, in collaboration with Institute for Crippled and Disabled, New York, N. Y., by Headquarters Army Air Forces, Office of Assistant Chief of Air Staff, Training, Training Aids Division.]
Notes:
(Air Forces manual 49.) [Published for air surgeon, A. A. F. Convalescent Training Division, in collaboration with Institute for Crippled and Disabled, New York, N. Y., by Headquarters Army Air Forces, Office of Assistant Chief of Air Staff, Training, Training Aids Division.] † Distribution Made by Issuing Office.