1Thomas Jefferson to Caspar Wistar, 31 March 1809 (Jefferson Papers)
2Thomas Jefferson to Charles Wilson Peale, 22 August 1809 (Jefferson Papers)
3Thomas Jefferson to George Jefferson, 13 September 1809 (Jefferson Papers)
4George Jefferson to Thomas Jefferson, 22 September 1809 (Jefferson Papers)
5Thomas Jefferson to George Jefferson, 8 October 1809 (Jefferson Papers)
6Thomas Jefferson to Louis H. Girardin, 31 October 1809 (Jefferson Papers)
7Thomas Jefferson to George Jefferson, 31 October 1809 (Jefferson Papers)
8George Jefferson to Thomas Jefferson, 13 November 1809 (Jefferson Papers)
9George Jefferson to Thomas Jefferson, 20 November 1809 (Jefferson Papers)
10John Wood to Thomas Jefferson, 26 December 1809 (Jefferson Papers)