1Thomas Jefferson to Thomas Mann Randolph, 3 August 1821 (Jefferson Papers)
2Edmund Bacon to Thomas Jefferson, 21 November 1820 (Jefferson Papers)
3Thomas Jefferson to Wilson Cary Nicholas, 20 September 1819 (Jefferson Papers)
4Extract from Elizabeth Trist to Nicholas P. Trist, 3 February 1819 (Jefferson Papers)
5Wilson Cary Nicholas to Thomas Jefferson, 2 April 1817 (Jefferson Papers)