“James Yard to James Madison, 21 April 1802,” Founders Online, National Archives, https://founders.archives.gov/documents/Madison/02-03-02-0180. [Original source: The Papers of James Madison, Secretary of State Series, vol. 3, 1 March–6 October 1802, ed. David B. Mattern, J. C. A. Stagg, Jeanne Kerr Cross, and Susan Holbrook Perdue. Charlottesville: University Press of Virginia, 1995, p. 151.]
