Coba jelasin Nota dari Angkatan Udara Tentera Darat Amerika Syarikat dalam bahasa melayu dong

Bowman, Martin W. (1997). USAAF Handbook 1939-1945, Stackpole Books, ISBN 0-8117-1822-0

Nalty, Bernard C. editor, Winged Shield, Winged Sword: A History of the United States Air Force Vol. I (1997). Air Force History and Museums Program, USAF. ISBN 0-16-049009-X

Maurer, Maurer. Air Force Combat Units of World War II . 1986.

Dr. Chase C. Mooney (1956) USAF Historical Study No. 10 Organization of the Army Air Arm, 1935-1945

Mark Skinner Watson (1991). Chief of Staff: Pre-war Plans and Preparations, "Chapter IX: The Movement Toward Air Autonomy"  United States Army in World War II (series), "The War Department", United States Army Center of Military History

Ray S. Cline (1990). Washington Command Post: The Operations Division "Chapter VI: Organizing the High Command for World War II"  United States Army in World War II (series), "The War Department", United States Army Center of Military History