"Plain Speaking: In David McCullough's telling, the second president is reminiscent of the 33rd (Harry Truman)". The New York Times. Retrieved November 7, 2017.

^ Lieberman, Paul (April 13, 2008). "Paul Giamatti is so imperfect for the role". Los Angeles Times. Retrieved January 10, 2018.

^ "County Facts". Adams County, PA. Archived from the original on June 29, 2018. Retrieved June 29, 2018.

^ "Naming the Cascade Range Volcanoes Mount Adams, Washington". U.S. Geological Survey. Retrieved June 29, 2018.

^ "56 Signers of the Declaration of Independence Memorial". National Park Service. Retrieved March 3, 2022.

^ Heffner, Alexander (July 1, 2011). "Why doesn't John Adams have a memorial in Washington?". The Washington Post. Retrieved November 7, 2017.

^ Cunningham, Lillian (January 17, 2016). "The case of the missing John Adams monument". The Washington Post. Retrieved November 7, 2017.

Bibliography
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Biographies
Chinard, Gilbert (1933). Honest John Adams. Boston, MA: Little, Brown, and Company. OCLC 988108386.
Diggins, John P. (2003).  Schlesinger, Arthur M. Jr. (ed.). John Adams. The American Presidents. New York, NY: Time Books. ISBN 978-0-8050-6937-2.
Ellis, Joseph J. (1993). 