1Thomas Jefferson to Thomas Cooper, 4 July 1820 (Jefferson Papers)
natural philosophy; collegiate education in [index entry]
2Thomas Jefferson to Thomas Cooper, 6 October 1820 (Jefferson Papers)
natural philosophy; collegiate education in [index entry]
3Thomas Jefferson to Thomas Cooper, 7 April 1821 (Jefferson Papers)
natural philosophy; collegiate education in [index entry]
4Thomas Jefferson to Thomas Cooper and John Wayles Eppes, 16 September 1821 (Jefferson Papers)
natural philosophy; collegiate education in [index entry]