1Thomas Cooper to Thomas Jefferson, 16 September 1817 (Jefferson Papers)
Pennsylvania, University of [index entry]
2Thomas Cooper to Thomas Jefferson, 19 September 1817 (Jefferson Papers)
Pennsylvania, University of [index entry]
3Thomas Cooper to Thomas Jefferson, 24 October 1817 (Jefferson Papers)
Pennsylvania, University of [index entry]
4José Corrêa da Serra to Thomas Jefferson, 31 October 1817 (Jefferson Papers)
Pennsylvania, University of [index entry]
5Thomas Jefferson to James Madison, 15 November 1817 (Jefferson Papers)
Pennsylvania, University of [index entry]
6Thomas Cooper to Thomas Jefferson, 20 November 1817 (Jefferson Papers)
Pennsylvania, University of [index entry]
7Thomas Jefferson to Thomas Cooper, 25 November 1817 (Jefferson Papers)
Pennsylvania, University of [index entry]
8Thomas Jefferson to José Corrêa da Serra, 25 November 1817 (Jefferson Papers)
Pennsylvania, University of [index entry]
9Thomas Cooper to Thomas Jefferson, 6 December 1817 (Jefferson Papers)
Pennsylvania, University of [index entry]
10James W. Wallace to Thomas Jefferson, 11 January 1818 (Jefferson Papers)
Pennsylvania, University of [index entry]