“To George Washington from George William Fairfax, 19 January 1773 [letter not found],” Founders Online, National Archives, https://founders.archives.gov/documents/Washington/02-09-02-0125. [Original source: The Papers of George Washington, Colonial Series, vol. 9, 8 January 1772 – 18 March 1774, ed. W. W. Abbot and Dorothy Twohig. Charlottesville: University Press of Virginia, 1994, p. 165.]