1Thomas Jefferson to Destutt de Tracy, 15 May 1817 (Jefferson Papers)
health; blindness [index entry]
2Lafayette to Thomas Jefferson, 10 December 1817 (Jefferson Papers)
health; blindness [index entry]
3Destutt de Tracy to Thomas Jefferson, 11 April 1818 (Jefferson Papers)
health; blindness [index entry]
4Destutt de Tracy to Thomas Jefferson, 22 February 1821 (Jefferson Papers)
health; blindness [index entry]
5William Short to Thomas Jefferson, 2 July 1822 (Jefferson Papers)
health; blindness [index entry]
6John Adams to Thomas Jefferson, 12 July 1822 (Jefferson Papers)
health; blindness [index entry]