1Thomas Jefferson to Peter Carr, 7 September 1814 (Jefferson Papers)
mineralogy; study of [index entry]
2Thomas Cooper’s Notes on University Curricula, [ca. 15–22 September 1814] (Jefferson Papers)
mineralogy; study of [index entry]
3Thomas Cooper to Thomas Jefferson, 15 September 1814 (Jefferson Papers)
mineralogy; study of [index entry]
4Thomas Cooper to Thomas Jefferson, 22 September 1814 (Jefferson Papers)
mineralogy; study of [index entry]
5Thomas Jefferson to Thomas Cooper, 7 October 1814 (Jefferson Papers)
mineralogy; study of [index entry]
6George Ticknor to Thomas Jefferson, 14 October 1815 (Jefferson Papers)
mineralogy; study of [index entry]
7John Wood to Thomas Jefferson, 6 April 1816 (Jefferson Papers)
mineralogy; study of [index entry]
8Francis W. Gilmer to Thomas Jefferson, 18 August 1817 (Jefferson Papers)
mineralogy; study of [index entry]
9Thomas Jefferson to Francis W. Gilmer, 14 October 1817 (Jefferson Papers)
mineralogy; study of [index entry]
10Thomas Cooper to Thomas Jefferson, 3 October 1818 (Jefferson Papers)
mineralogy; study of [index entry]
11Peter S. Du Ponceau to Thomas Jefferson, 9 October 1820 (Jefferson Papers)
mineralogy; study of [index entry]
12John Vaughan to Thomas Jefferson, 11 October 1820 (Jefferson Papers)
mineralogy; study of [index entry]