1Thomas Jefferson to James Maury, 15 June 1815 (Final State) (Jefferson Papers)
Jefferson, Thomas; Opinions on; aging [index entry]
2Thomas Jefferson to William Duane, 1 October 1812 (Jefferson Papers)
Jefferson, Thomas; Opinions on; aging [index entry]
3Thomas Jefferson to John Adams, 1 August 1816 (Jefferson Papers)
Jefferson, Thomas; Opinions on; aging [index entry]
4Thomas Jefferson to James Maury, 16 June 1815 (Jefferson Papers)
Jefferson, Thomas; Opinions on; aging [index entry]
5Thomas Jefferson to James Maury, [15 June 1815] (Partial Draft) (Jefferson Papers)
Jefferson, Thomas; Opinions on; aging [index entry]
6Thomas Jefferson to Benjamin Austin, 3 March 1818 (Jefferson Papers)
Jefferson, Thomas; Opinions on; aging [index entry]
7Thomas Jefferson to John Melish, 10 December 1814 (Jefferson Papers)
Jefferson, Thomas; Opinions on; aging [index entry]
8Thomas Jefferson to John Taylor, 14 March 1821 (Jefferson Papers)
Jefferson, Thomas; Opinions on; aging [index entry]
9Thomas Jefferson to Spencer Roane, 9 March 1821 (Jefferson Papers)
Jefferson, Thomas; Opinions on; aging [index entry]
10Thomas Jefferson to Abigail Adams, 11 January 1817 (Jefferson Papers)
Jefferson, Thomas; Opinions on; aging [index entry]