↑Arnold, Capt. Charles DeF. Chandler, and Lt. Thomas Milling all qualified for the rating on July 5, 1912. Milling received the first certificate while Arnold was listed first on War Department General Order No. 39, which was the first list of rated Military Aviators. (Hennessy 1958, hlm.59, 229)
Arnold, Henry H. (1949). Global Mission, Harper and Brothers Publishers, New York. (1989 reprint, McGraw-Hill Publishing, ISBN 0-8306-4004-5)
Association of Graduates (2012). Biographical Register of the Officers and Graduates of the United States Military Academy at West Point, New York. West Point, New York: USMA Digital Library. ("Cullum's Biographical Register") Vol. 9 1940-1950Diarsipkan 2013-03-17 di Wayback Machine.
Craven, Wesley Frank, and Cate, James Lea (1948). "Vol. 1: Plans and Early Operations January 1939 to August 1942"(PDF). The Army Air Forces in World War II. Air Force Historical Studies Office. Diarsipkan dari asli(PDF) tanggal 2016-10-18. Diakses tanggal 2012-08-11.Pemeliharaan CS1: Banyak nama: authors list (link)
Goss, William A. (1954). "Origins of the Army Air Forces". Dalam Craven, Wesley F. and Cate, James L. (ed.). The Army Air Forces in World War II Vol. Six: Men and Planes. University of Chicago Press. ISBN0-912799-03-X.Pemeliharaan CS1: Banyak nama: editors list (link)
Heimdahl, William C., and Hurley, Alfred F., "The Roots of U.S. Military Aviation," Winged Shield, Winged Sword: A History of the United States Air Force Vol. I (1997), ISBN 0-16-049009-X
Herman, Arthur (2012). Freedom's Forge: How American Business Produced Victory in World War II. New York: Random House. ISBN 978-1-4000-6964-4
Huston, John W. (2002). "Biography". Dalam Maj. Gen. John W. Huston, USAF (ed.). American Airpower Comes of Age: General Henry H. "Hap" Arnold's World War II Diaries(PDF). Air University Press. ISBN1-58566-093-0. Diarsipkan dari asli(PDF) tanggal 2015-05-03. Diakses tanggal 2015-12-06. Huston's introductory "Biography" is 108 pages in length and a detailed account of Arnold's life, both professional and personal, to 1941.
--- "The Wartime Leadership of 'Hap' Arnold." In Alfred F. Hurley and Robert C. Erhart, eds. Air Power and Air Warfare (1979) 168-85.
Jordan, Jonathan W. (2015), American Warlords: How Roosevelt's High Command Led America to Victory in World War II (NAL/Caliber 2015).
Perret, Geoffrey (1997). Winged Victory: The U.S. Army Air Corps During World War II, Random House. ISBN 978-0-375-75047-2
Rice, Rondall Ravor (2004). The Politics of Air Power: From Confrontation to Cooperation in Army Aviation Civil-Military Relations, University of Nebraska Press. ISBN 0-8032-3960-2
Tate, Dr. James P. (1998). The Army and its Air Corps: Army Policy Toward Aviation 1919-1941. Air University Press. ISBN0-16-061379-5.
Watson, George M. Jr. (2002). "Arnold, Henry H. "Hap" (1886-1950)". Dalam Walter J. Boyne (ed.). Air Warfare: An International Encyclopedia, Vol. I, Entries A-l. ABC-CLIO, Inc. hlm.45. ISBN1-57607-345-9.
No. 112: Cate, James L. (1945). History of the Twentieth Air Force: Genesis(PDF). Maxwell Air Force Base: USAF Historical Division. Diarsipkan dari asli(PDF) tanggal 2013-03-13. Diakses tanggal 2015-08-14.