To George Washington from Richard Humpton, 20 May 1779
Letter not found: from Richard Humpton, 20 May 1779. On 1 June, GW wrote to Humpton: “I received several days ago Your favor of the 20th Ulto” (DLC: GW).
“To George Washington from Richard Humpton, 20 May 1779,” Founders Online, National Archives, https://founders.archives.gov/documents/Washington/03-20-02-0490. [Original source: The Papers of George Washington, Revolutionary War Series, vol. 20, 8 April–31 May 1779, ed. Edward G. Lengel. Charlottesville: University of Virginia Press, 2010, p. 547.]