1Godefroi Du Jareau to Thomas Jefferson, 9 May 1810 (Jefferson Papers)
American Philosophical Society; and G. Du Jareau [index entry]
2Godefroi Du Jareau to Thomas Jefferson, 3 August 1810 (Jefferson Papers)
American Philosophical Society; and G. Du Jareau [index entry]
3Robert Patterson to Thomas Jefferson, 18 August 1810 (Jefferson Papers)
American Philosophical Society; and G. Du Jareau [index entry]