1To James Madison from James Lyon, 2 July 1801 (Madison Papers)
Washington City, July 2 1801.
2To Thomas Jefferson from James Lyon, 23 July 1801 (Jefferson Papers)
Washington City, July 23, 1801.
3To Thomas Jefferson from James Lyon, 8 December 1801 (Jefferson Papers)
Washington City Dec 8 1801
4To Thomas Jefferson from James Lyon, 28 January 1802 (Jefferson Papers)
Washington City Jan. 28. 1802