1Proceedings of Rockfish Gap Meeting of the University of Virginia Commissioners, 1–4 August 1818 (Jefferson Papers)
2Thomas Jefferson to Linn Banks and Edward Watts, 20 November 1818 (Jefferson Papers)
3Francis Adrian Van der Kemp to Thomas Jefferson, 8 May [1819] (Jefferson Papers)
4Thomas Jefferson to James Madison, 7 July 1819 (Jefferson Papers)
5Thomas Jefferson to James Breckinridge, Chapman Johnson, and Robert Taylor, 8 July 1819 (Jefferson Papers)