1Destutt de Tracy to Thomas Jefferson, 29 August 1813 (Jefferson Papers)
American Philosophical Society; and Destutt de Tracy [index entry]
2Enclosure: Destutt de Tracy to Pierre Samuel Du Pont de Nemours, 30 January 1816 (Jefferson Papers)
American Philosophical Society; and Destutt de Tracy [index entry]
3Destutt de Tracy to Thomas Jefferson, 4 February 1816 (Jefferson Papers)
American Philosophical Society; and Destutt de Tracy [index entry]
4Thomas Jefferson’s Title and Prospectus for Destutt de Tracy’s Treatise on Political Economy, [ca. 6 April 1816] (Jefferson Papers)
American Philosophical Society; and Destutt de Tracy [index entry]
5Thomas Jefferson to Destutt de Tracy, 26 December 1820 (Jefferson Papers)
American Philosophical Society; and Destutt de Tracy [index entry]