1Enclosure: Nicolas Louis Vauquelin’s Analysis of Green Tobacco, 12 January 1809 (Jefferson Papers)
American Philosophical Society; members of, foreign [index entry]
2Enclosure: Nicolas Louis Vauquelin’s Analysis of Prepared Tobacco, [12 January-17 April 1809] (Jefferson Papers)
American Philosophical Society; members of [index entry]
3Samuel H. Smith to Thomas Jefferson, 22 March 1809 (Jefferson Papers)
American Philosophical Society; members of, foreign [index entry]
4Thomas Jefferson to Caspar Wistar, 31 March 1809 (Jefferson Papers)
American Philosophical Society; members of [index entry]
5William Davy and Others to Thomas Jefferson, 28 April 1809 (Jefferson Papers)
American Philosophical Society; members of [index entry]
6Robert Patterson to Thomas Jefferson, 10 May 1809 (Jefferson Papers)
American Philosophical Society; members of [index entry]
7John Vaughan to Thomas Jefferson, 19 August 1809 (Jefferson Papers)
American Philosophical Society; members of [index entry] American Philosophical Society; members of
8Valentín de Foronda to Thomas Jefferson, 26 August 1809 (Jefferson Papers)
American Philosophical Society; members of, foreign [index entry]
9Thomas Jefferson to Robert Patterson, 31 August 1809 (Jefferson Papers)
American Philosophical Society; members of [index entry]
10Benjamin Smith Barton to Thomas Jefferson, 14 September 1809 (Jefferson Papers)
American Philosophical Society; members of [index entry]