| Air Force History and Museums | F. Whitten Peters, Secretary of the Air Force, 1999-2001 | from the book Secretaries and Chiefs of Staff of the United States Air Force: Biographical Sketches and Portraits by George M. Watson Jr. | | | | | | 3/11/2016 |
| Air Force History and Museums | Excerpt from Aviation in the US Army 1919-1939 | From the book: Aviation in the US Army 1919-1939 by Maurer Maurer. Part 3: GHQ Air Force | | | | | | 3/17/2016 |
| Unknown | Evolution of National Insignia, Coloration and Markings on USAF Aircraft | By Charles G. Worman, Historian, US Air Force Museum | | | | | | 3/7/2011 |
| Air Force History and Museums | Evolution of Command and Control Doctrine for Close Air Support | by Riley Sunderland, Mar 1973 | | | | | | 3/21/2011 |
| Air University Press | Evolution of Airmen: Conversations with the CMSAFs of the USAF | Conversations with the Chief Master Sergeants of the Air Force. Edited by CMSgt Lee E. Hoover, Jr., March 2017 | | | | | | 1/24/2018 |
| Air Force History and Museums | Eugene M. Zuckert, Secretary of the Air Force, 1961-1965 | from the book Secretaries and Chiefs of Staff of the United States Air Force: Biographical Sketches and Portraits, by George M. Watson, Jr. | | | | | | 3/11/2016 |
| Unknown | Encyclopedia of USAF Aircraft and Missile Systems, Vol. II: Post-World War II Bombers, 1945-1973 | Marcelle S. Knaack | | | | | | 5/26/2010 |
| Unknown | Encyclopedia of USAF Aircraft and Missile Systems, Vol. I: Post-World War II Fighters, 1945-1973 | Marcelle S. Knaack | | | | | | 5/26/2010 |
| Air Force Magazine March 1999 | El Dorado Canyon | by Walter J. Boyne | | | | | | 3/9/2016 |
| Air Force History and Museums | Edward C. Aldridge, Jr., Secretary of the Air Force 1986-1988 | from the book Secretaries and Chiefs of Staff of the United States Air Force: Biographical Sketches and Portraits by George M. Watson Jr. | | | | | | 3/11/2016 |
| V. L. Burge | Early History of Army Aviation | An unpublished manuscript, describing his perspectives of early army aviation up to 1917. | | | | | | 11/22/2013 |
| Air Force History and Museums | Dudly Crawford Sharp, Secretary of the Air Force, 1959-1961 | from the book Secretaries and Chiefs of Staff of the United States Air Force: Biographical Ketches and Portraits by George M. Watson Jr. | | | | | | 3/11/2016 |
| Airmen Memorial Museum | Doolittle's Raiders: the Giant Begins to Stir | by George E. Hicks. The Airmen Heritage Series | | | | | | 5/5/2016 |
| Air Force History and Museums | Donald B. Rice Secretary of the Air Force, 1989-1993 | from the book Secretaries and Chiefs of Staff of the United States Air Force: Biographical Sketches and Portraits by George M. Watson Jr. | | | | | | 3/11/2016 |
| Air Force History and Museums | Donald A. Quarles, Secretary of the Air Force, 1955-1957 | from the book Secretaries and Chiefs of Staff of the United States Air Force: Biographical Sketches and Portraits by George M. Watson, Jr. | | | | | | 3/11/2016 |