“William Temple Franklin to George Washington, 20 April 1789,” Founders Online, National Archives, https://founders.archives.gov/documents/Washington/05-02-02-0082. [Original source: The Papers of George Washington, Presidential Series, vol. 2, 1 April 1789 – 15 June 1789, ed. Dorothy Twohig. Charlottesville: University Press of Virginia, 1987, pp. 90–91.]
George G. Shackleford, Jefferson’s Adoptive Son: The Life of William Short, 1759-1848 (Lexington: The University Press of Kentucky Press, 1993), 31-32.