1Thomas Jefferson to Samuel Smith (of Maryland), 29 July 1809 (Jefferson Papers)
Du Pont de Nemours, Pierre Samuel; TJ on [index entry]
2Thomas Jefferson to William Short, 15 May 1815 (Jefferson Papers)
Du Pont de Nemours, Pierre Samuel; TJ on [index entry]
3Thomas Jefferson to José Corrêa da Serra, 28 June 1815 (Jefferson Papers)
Du Pont de Nemours, Pierre Samuel; TJ on [index entry]
4Thomas Jefferson to James Madison, 22 December 1815 (Jefferson Papers)
Du Pont de Nemours, Pierre Samuel; TJ on [index entry]
5Thomas Jefferson’s Title and Prospectus for Destutt de Tracy’s Treatise on Political Economy, [ca. 6 April 1816] (Jefferson Papers)
Du Pont de Nemours, Pierre Samuel; TJ on [index entry]
6Thomas Jefferson to Eleuthere I. du Pont de Nemours, 9 September 1817 (Jefferson Papers)
Du Pont de Nemours, Pierre Samuel; TJ on [index entry]