Memoirs and Papers
Limited number of manuscripts and papers in the Library of Congress, The Historical Society of Pennsylvania, the University of Chicago and The Morgan Library.
Other Primary Sources
Biographies
Rawle, William. “Sketch of the Life of Thomas Mifflin.” Memoirs of the Historical Society of Pennsylvania, Philadelphia, II, no. Part 2 (1830): 107–27.
Rossman, Kenneth R. Thomas Mifflin and the Politics of the American Revolution. Chapel Hill, NC: University of North Carolina Press, 1952.
Rossman, Kenneth R. “Thomas Mifflin – Revolutionary Patriot.” Pennsylvania History: A Journal of Mid-Atlantic Studies, Pennsylvania State University Press, 15, no. 1 (January 1948): 9–23.
Researching the American Revolution 