1Thomas Jefferson to Destutt de Tracy, 26 January 1811 (Jefferson Papers)
Destutt de Tracy, Antoine Louis Claude; as anonymous author [index entry]
2Thomas Jefferson to Destutt de Tracy, 28 November 1813 (Jefferson Papers)
Destutt de Tracy, Antoine Louis Claude; as anonymous author [index entry]
3Thomas Jefferson to Thomas Cooper, 16 January 1814 (Jefferson Papers)
Destutt de Tracy, Antoine Louis Claude; as anonymous author [index entry]
4Destutt de Tracy to Thomas Jefferson, [14] July 1814 (Jefferson Papers)
Destutt de Tracy, Antoine Louis Claude; as anonymous author [index entry]