1Thomas Jefferson to William C. Rives, 18 September 1811 (Jefferson Papers)
political economy; TJ on study of [index entry]
2Thomas Jefferson to Joseph C. Cabell, 28 February 1816 (Jefferson Papers)
political economy; TJ on study of [index entry]
3Thomas Jefferson to Albert Gallatin, 24 November 1818 (Jefferson Papers)
political economy; TJ on study of [index entry]
4Thomas Jefferson to John Adams, 19 January 1819 (Jefferson Papers)
political economy; TJ on study of [index entry]
5Thomas Jefferson to William E. Richmond, 25 December 1819 (Jefferson Papers)
political economy; TJ on study of [index entry]