John Augustine Washington to George Washington, 10 March 1780 [letter not found]
Letter not found: from John Augustine Washington, 10 March 1780. GW wrote Washington on 6 June–6 July 1780 acknowledging “Your letter of the 10th of March” (DLC:GW).
“John Augustine Washington to George Washington, 10 March 1780 [letter not found],” Founders Online, National Archives, https://founders.archives.gov/documents/Washington/03-25-02-0012. [Original source: The Papers of George Washington, Revolutionary War Series, vol. 25, 10 March–12 May 1780, ed. William M. Ferraro. Charlottesville: University of Virginia Press, 2017, p. 16.]