“To James Madison from Ambrose Madison, 4 April 1793,” Founders Online, National Archives, https://founders.archives.gov/documents/Madison/01-15-02-0007. [Original source: The Papers of James Madison, vol. 15, 24 March 1793 – 20 April 1795, ed. Thomas A. Mason, Robert A. Rutland, and Jeanne K. Sisson. Charlottesville: University Press of Virginia, 1985, p. 4.]