1Pierre Samuel Du Pont de Nemours to Thomas Jefferson, [ca. 28 July 1810] (Jefferson Papers)
Quesnay, François; French economist [index entry]
2Pierre Samuel Du Pont de Nemours to Thomas Jefferson, 17 May 1812 (Jefferson Papers)
Quesnay, François; French economist [index entry]
3Thomas Jefferson’s Title and Prospectus for Destutt de Tracy’s Treatise on Political Economy, [ca. 6 April 1816] (Jefferson Papers)
Quesnay, François; French economist [index entry]
4John Adams to Thomas Jefferson, 2 March 1819 (Jefferson Papers)
Quesnay, François; French economist [index entry]