1Thomas Jefferson to Thomas Jefferson Randolph, 30 December 1809 (Jefferson Papers)
natural philosophy; study of [index entry]
2Thomas Jefferson to John Wood, 11 January 1810 (Jefferson Papers)
natural philosophy; study of [index entry]
3Thomas Jefferson to Peter Carr, 7 September 1814 (Jefferson Papers)
natural philosophy; study of [index entry]
4Thomas Cooper to Thomas Jefferson, 15 September 1814 (Jefferson Papers)
natural philosophy; study of [index entry]
5Thomas Cooper to Thomas Jefferson, 22 September 1814 (Jefferson Papers)
natural philosophy; study of [index entry]
6Thomas Jefferson to Peter H. Wendover (Draft), 13 March 1815 (Jefferson Papers)
natural philosophy; study of [index entry]
7John Adams to Thomas Jefferson, 2 March 1816 (Jefferson Papers)
natural philosophy; study of [index entry]
8John F. Watson to Thomas Jefferson, [ca. 22 October 1816] (Jefferson Papers)
natural philosophy; study of [index entry]
9Thomas Jefferson’s Bill for Establishing a System of Public Education, [ca. 24 October 1817] (Jefferson Papers)
natural philosophy; study of [index entry]
10Patrick Kerr Rogers to Thomas Jefferson, 21 May 1819 (Jefferson Papers)
natural philosophy; study of [index entry]