1Thomas Jefferson to David Campbell, 28 January 1810 (Jefferson Papers)
aging; TJ on youth [index entry]
2Thomas Jefferson to Francis W. Gilmer, 23 November 1814 (Jefferson Papers)
aging; TJ on youth [index entry]
3Thomas Jefferson to Caspar Wistar, 23 November 1814 (Jefferson Papers)
aging; TJ on youth [index entry]
4Thomas Jefferson to John Vaughan, 8 February 1815 (Jefferson Papers)
aging; TJ on youth [index entry]
5Thomas Jefferson to Elkanah Watson, 8 May 1817 (Jefferson Papers)
aging; TJ on youth [index entry]
6Thomas Jefferson to Richard Bache, 17 January 1818 (Jefferson Papers)
aging; TJ on youth [index entry]
7Thomas Jefferson to John Brazer, 24 August 1819 (Jefferson Papers)
aging; TJ on youth [index entry]