1Destutt de Tracy to Thomas Jefferson, 10 March 1819 (Jefferson Papers)
political economy; works on [index entry]
2Destutt de Tracy to Thomas Jefferson, 24 November 1820 (Jefferson Papers)
political economy; works on [index entry]
3Destutt de Tracy to Thomas Jefferson, 24 December 1816 (Jefferson Papers)
political economy; works on [index entry]
4Destutt de Tracy to Thomas Jefferson, 11 April 1818 (Jefferson Papers)
political economy; works on [index entry]