1Carlo Botta to Thomas Jefferson, 10 January 1816 (Jefferson Papers)
2Thomas Jefferson to Carlo Botta, 15 July 1810 (Jefferson Papers)
3Carlo Botta to Thomas Jefferson, 29 November 1815 (Jefferson Papers)
4Louis H. Girardin to Thomas Jefferson, 11 March 1819 (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)
8John R. Fenwick to Thomas Jefferson, 18 August 1810 (Jefferson Papers)
9David Bailie Warden to Thomas Jefferson, 19 January 1810 (Jefferson Papers)
10Louis H. Girardin to Thomas Jefferson, 21 March 1819 (Jefferson Papers)