“Thomas Jefferson to Bernard Peyton, 25 August 1823 (SJL Description),” Founders Online, National Archives, https://founders.archives.gov/documents/Jefferson/03-20-02-0110. [Original source: The Papers of Thomas Jefferson, Retirement Series, vol. 20, 1 July 1823 to 31 March 1824, ed. J. Jefferson Looney et al. Princeton: Princeton University Press, 2023, p. 112.]