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^ Parker, Theodore (1848). A discourse occasioned by the death of John Quincy Adams. Boston: Published by Bela Marsh, 25 Cornhill. p. 26. OCLC 6354870. Retrieved August 2, 2009.

^ Jump up to: a b Donaldson, Norman and Betty (1980). How Did They Die?. Greenwich House. ISBN 978-0-517-40302-0.

^ Widmer, Edward L. (2008). Ark of the liberties: America and the world. New York: Hill and Wang. p. 120. ISBN 978-0-8090-2735-4. OCLC 191882004. Retrieved August 2, 2009.

^ Traub, pg.  446

^ "Quincy's Historic Hancock Cemetery". Quincy Historical Society. 2002. Retrieved July 11, 2018.

^ "Louisa Adams Biography: National First Ladies' Library". www.firstladies.org. Retrieved January 18, 2018.

^ "From Abigail Smith Adams to Thomas Boylston Adams, 12 July 1801". Adams Papers, Massachusetts Historical Society. Archived from the original on December 24, 2019. Retrieved January 13, 2020.{{cite web}}:  CS1 maint: bot: original URL status unknown (link)[This is an Early Access document from The Adams Papers. It is not an authoritative final version.]. Also available from Internet Archive as archived on December 24, 2019.

^ "Brief Biographies of Jackson Era Characters (A)". Jmisc.net. Retrieved September 16, 2008.

