1Thomas Jefferson to Destutt de Tracy, 26 January 1811 (Jefferson Papers)
Destutt de Tracy, Antoine Louis Claude; TJ on Commentary [index entry]
2Thomas Jefferson to William Duane, 22 January 1813 (Jefferson Papers)
Destutt de Tracy, Antoine Louis Claude; TJ on Commentary [index entry]
3Thomas Jefferson to Samuel R. Demaree, 12 January 1813 (Jefferson Papers)
Destutt de Tracy, Antoine Louis Claude; TJ on Commentary [index entry]
4Thomas Jefferson to William Duane, 16 September 1810 (Jefferson Papers)
Destutt de Tracy, Antoine Louis Claude; TJ on Commentary [index entry]