1Thomas Jefferson to John Adams, 10 August 1815 (Jefferson Papers)
2Thomas Jefferson to John Adams, 5 May 1817 (Jefferson Papers)
3Thomas Jefferson to Carlo Botta, 15 July 1810 (Jefferson Papers)
4Thomas Jefferson to John R. Fenwick, 18 September 1810 (Jefferson Papers)
5Thomas Jefferson to Louis H. Girardin, 16 March 1819 (Jefferson Papers)
6Thomas Jefferson to Louis H. Girardin, 26 December 1818 (Jefferson Papers)
7Thomas Jefferson to Louis H. Girardin, 8 July 1820 (Jefferson Papers)
8Thomas Jefferson to Louis H. Girardin, 26 August 1820 (Jefferson Papers)
9Thomas Jefferson to Louis H. Girardin, 28 August 1814 (Jefferson Papers)
10Thomas Jefferson to Louis H. Girardin, 17 June 1817 (Jefferson Papers)