St. Louis: Association of the United States Army, St. Louis Chapter. pp. 5–8.

^ Jump up to: a b Army History: Truman, you're too old

^ Maddox, Robert James (2007). Hiroshima in History: The Myths of Revisionism. Columbia, MO: University of Missouri Press. p. 77. ISBN 978-0-8262-1732-5.

^ "Biographical Sketch: Harry S. Truman, 33rd President of the United States". Trumanlibrary.org. Harry S. Truman Library and Museum. Retrieved May 27, 2016.

^ Pullen, Twice the Citizen

^ "Harry S. Truman Military Personnel File". Record Group 407. Washington DC: National Archives. 1917–1973. Retrieved December 17, 2018 – via Harry S. Truman Presidential Library and Museum.

^ Truman Library 1919.

^ Goldstein 2008.

^ McCullough 1992, pp. 63–64, 68.

^ Jump up to: a b Ferrell 1994, p. 88.

^ Ferrell 1994, p. 86.

^ Hamby 1995, pp. 410–412.

^ Jump up to: a b Dallek 2008, p. 6.

^ Barr 2004.

^ Savage 1991, p. 65.

^ Golway, Terry (2011). Give 'em Hell: The Tumultuous Years of Harry Truman's Presidency, in His Own Words and Voice. Naperville, IL: Sourcebooks, Inc. p. 7. ISBN 978-1-4022-1715-9 – via Google Books.

