1Enclosure: Nicolas Louis Vauquelin’s Analysis of Green Tobacco, 12 January 1809 (Jefferson Papers)
American Philosophical Society; members of, foreign [index entry]
2Samuel H. Smith to Thomas Jefferson, 22 March 1809 (Jefferson Papers)
American Philosophical Society; members of, foreign [index entry]
3John Vaughan to Thomas Jefferson, 19 August 1809 (Jefferson Papers)
American Philosophical Society; members of, foreign [index entry]
4Valentín de Foronda to Thomas Jefferson, 26 August 1809 (Jefferson Papers)
American Philosophical Society; members of, foreign [index entry]
5Benjamin Smith Barton to Thomas Jefferson, 13 July 1810 (Jefferson Papers)
American Philosophical Society; members of, foreign [index entry]
6Julian Ursin Niemcewicz to Thomas Jefferson, 4 September 1810 (Jefferson Papers)
American Philosophical Society; members of, foreign [index entry]
7Charles P. De Lasteyrie to Thomas Jefferson, 25 September 1810 (Jefferson Papers)
American Philosophical Society; members of, foreign [index entry]
8Charles P. De Lasteyrie to Thomas Jefferson, 18 March 1811 (Jefferson Papers)
American Philosophical Society; members of, foreign [index entry]
9Palisot de Beauvois to Thomas Jefferson, 19 March 1811 (Jefferson Papers)
American Philosophical Society; members of, foreign [index entry]
10José Corrêa da Serra to Thomas Jefferson, 6 March 1812 (Jefferson Papers)
American Philosophical Society; members of, foreign [index entry]