1Thomas Jefferson to Peter Carr, 7 September 1814 (Jefferson Papers)
chemistry; study of [index entry]
2Thomas Jefferson to Thomas Cooper, 6 August 1810 (Jefferson Papers)
chemistry; study of [index entry]
3Thomas Jefferson to Francis W. Gilmer, 14 October 1817 (Jefferson Papers)
chemistry; study of [index entry]
4Thomas Cooper to Thomas Jefferson, 22 September 1814 (Jefferson Papers)
chemistry; study of [index entry]
5John Adams to Thomas Jefferson, 16 July 1814 (Jefferson Papers)
chemistry; study of [index entry]
6Thomas Cooper to Thomas Jefferson, 15 September 1814 (Jefferson Papers)
chemistry; study of [index entry]
7John Adams to Thomas Jefferson, 2 March 1816 (Jefferson Papers)
chemistry; study of [index entry]
8John Vaughan to Thomas Jefferson, 11 October 1820 (Jefferson Papers)
chemistry; study of [index entry]
9Peter S. Du Ponceau to Thomas Jefferson, 9 October 1820 (Jefferson Papers)
chemistry; study of [index entry]
10John Wood to Thomas Jefferson, 6 April 1816 (Jefferson Papers)
chemistry; study of [index entry]