1Thomas Jefferson to James Jay, 7 April 1809 (Jefferson Papers)
agriculture; TJ on [index entry]
2Thomas Jefferson to Philip Tabb, 1 June 1809 (Jefferson Papers)
agriculture; TJ on [index entry]
3Thomas Jefferson to Benjamin Rush, 22 September 1809 (Jefferson Papers)
agriculture; TJ on [index entry]
4Thomas Jefferson to Charles Willson Peale, 20 August 1811 (Jefferson Papers)
agriculture; TJ on farming [index entry]
5Thomas Jefferson to Horatio G. Spafford, 17 March 1814 (Jefferson Papers)
agriculture; TJ on [index entry]
6Thomas Jefferson to Isaac Briggs, 27 February 1816 (Jefferson Papers)
agriculture; TJ on [index entry]
7William Johnson to Thomas Jefferson, 4 March 1817 (Jefferson Papers)
agriculture; TJ on [index entry]
8Thomas Jefferson to William Johnson, 10 May 1817 (Jefferson Papers)
agriculture; TJ on [index entry]
9Thomas Jefferson to Joseph Milligan, 13 April 1819 (Jefferson Papers)
agriculture; TJ on [index entry]
10Thomas Jefferson to John Brazer, 24 August 1819 (Jefferson Papers)
agriculture; TJ on [index entry]