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^ Current, Freidel & Williams 1971, p. 594.

^ Announcement of Harry S. Truman's Promotion to Captain, May 2, 1918

^ McCullough 1992, p. 115.

^ "Truman's Battery"

^ Burnes 2003, p. 49.

^ Jump up to: a b c d e f Farinacci, Donald J. (2017). Truman and MacArthur: Adversaries for a Common Cause. Hoosick Falls, NY: Merriam Press. pp. 71–72. ISBN 978-1-57638-630-9.

^ McCullough 1992, pp. 130, 531.

^ Giangreco 2002, p. 192.

^ Giangreco 2002, pp. 181–186.

^ Daniels, Roger (2010). Immigration and the Legacy of Harry S. Truman. Kirksville, MO: Truman State University Press. p. 1. ISBN 978-1-931112-99-4.

^ Espinosa, Gastón (2009). Religion and the American Presidency. New York: Columbia University Press. p. 220. ISBN 978-0-231-14333-2.

^ Nielsen, Niels C. (2009). God In The Obama Era. New York: Morgan James Publishing. pp. 152–153, 156. ISBN 978-1-60037-646-7.

^ Truman, Harry S. (March 19, 1911). "Letter from Harry S. Truman to Bess Wallace". Letter to Bess Wallace. Retrieved March 24, 2022.

^ Tiernan, L. Curtis. "Biographical Sketch, L. Curtis Tiernan". 