“From George Washington to John Mitchell, 4 August 1780 [letter not found],” Founders Online, National Archives, https://founders.archives.gov/documents/Washington/03-27-02-0385. [Original source: The Papers of George Washington, Revolutionary War Series, vol. 27, 5 July–27 August 1780, ed. Benjamin L. Huggins. Charlottesville: University of Virginia Press, 2019, p. 430.]