1Thomas Jefferson to John Taggart, 31 March 1809 (Jefferson Papers)
2John Taggart to Thomas Jefferson, 7 April 1809 (Jefferson Papers)
3Thomas Jefferson to Étienne Lemaire, 25 April 1809 (Jefferson Papers)
4Étienne Lemaire to Thomas Jefferson, 6 May 1809 (Jefferson Papers)
5Thomas Jefferson to Thomas Jefferson Randolph, 6 May 1809 (Jefferson Papers)
6Thomas Jefferson Randolph to Thomas Jefferson, 29 May 1809 (Jefferson Papers)