J. T. McAllister, “Virginia Soldiers in the Revolution. Summary of Statements Made by Soldiers Who Served in The Revolutionary War from Virginia’ Either in the Continental Line or the Virginia State Line,” The Virginia Magazine of History and Biography, 22, no. 2 (April 1914): 177-86.
“Thomas Jefferson to Charles Wall, 21 December 1780,” Founders Online, National Archives, https://founders.archives.gov/documents/Jefferson/01-04-02-0279. [Original source: The Papers of Thomas Jefferson, vol. 4, 1 October 1780 – 24 February 1781, ed. Julian P. Boyd. Princeton: Princeton University Press, 1951, pp. 220–221.]