1Thomas Jefferson to Francis Eppes, 6 October 1820 (Jefferson Papers)
natural philosophy; collegiate education in [index entry]
2Thomas Jefferson to Francis Eppes, 13 December 1820 (Jefferson Papers)
natural philosophy; collegiate education in [index entry]
3Thomas Jefferson to Francis Eppes, 8 April 1821 (Jefferson Papers)
natural philosophy; collegiate education in [index entry]
4Thomas Jefferson to Francis Eppes, 17 November 1821 (Jefferson Papers)
natural philosophy; collegiate education in [index entry]