1Thomas Jefferson to Benjamin Austin, 3 March 1818 (Jefferson Papers)
Jefferson, Thomas; Opinions on; aging [index entry]
2Thomas Jefferson to Archibald Thweatt, 24 December 1821 (Jefferson Papers)
Jefferson, Thomas; Opinions on; aging [index entry]
3Thomas Jefferson to Charles Willson Peale, 18 February 1818 (Jefferson Papers)
Jefferson, Thomas; Opinions on; aging [index entry]
4Thomas Jefferson to Wilson Cary Nicholas, 29 February 1816 (Jefferson Papers)
Jefferson, Thomas; Opinions on; aging [index entry]
5Thomas Jefferson to Thomas A. Digges, 15 June 1818 (Jefferson Papers)
Jefferson, Thomas; Opinions on; aging [index entry]
6Thomas Jefferson to John Quincy Adams, 10 May 1819 (Jefferson Papers)
Jefferson, Thomas; Opinions on; aging [index entry]
7Thomas Jefferson to Wilson Cary Nicholas, 9 October 1816 (Jefferson Papers)
Jefferson, Thomas; Opinions on; aging [index entry]
8Thomas Jefferson to Richard Bache, 17 January 1818 (Jefferson Papers)
Jefferson, Thomas; Opinions on; aging [index entry]
9Thomas Jefferson to Albert & John W. Picket, 10 April 1818 (Jefferson Papers)
Jefferson, Thomas; Opinions on; aging [index entry]
10Thomas Jefferson to Regnault de Bécourt, 6 February 1813 (Jefferson Papers)
Jefferson, Thomas; Opinions on; aging [index entry]