1William Johnson to Thomas Jefferson, 4 March 1817 (Jefferson Papers)
agriculture; TJ on [index entry]
2Thomas Jefferson to William Johnson, 10 May 1817 (Jefferson Papers)
agriculture; TJ on [index entry]
3Thomas Jefferson to Joseph Milligan, 13 April 1819 (Jefferson Papers)
agriculture; TJ on [index entry]
4Thomas Jefferson to John Brazer, 24 August 1819 (Jefferson Papers)
agriculture; TJ on [index entry]
5Thomas Jefferson to Hugh Nelson, 7 February 1820 (Jefferson Papers)
agriculture; TJ on [index entry]
6Thomas Jefferson to Thomas Mann Randolph, 30 July 1821 (Jefferson Papers)
agriculture; TJ on farming [index entry]