1Enclosure: Invoice of Books for Thomas Jefferson Purchased from de Bure Frères, 30 May 1816 (Jefferson Papers)
moral philosophy; works on [index entry]
2Thomas Jefferson to Nicolas G. Dufief, 14 December 1816 (Jefferson Papers)
moral philosophy; works on [index entry]
3Destutt de Tracy to Thomas Jefferson, 24 December 1816 (Jefferson Papers)
moral philosophy; works on [index entry]
4Nicolas G. Dufief to Thomas Jefferson, 7 January 1817 (Jefferson Papers)
moral philosophy; works on [index entry]
5Thomas Jefferson to John Adams, 11 January 1817 (Jefferson Papers)
moral philosophy; works on [index entry]
6Joseph Milligan to Thomas Jefferson, 6 February 1818 (Jefferson Papers)
moral philosophy; works on [index entry]
7Thomas Jefferson to Thomas Ewell, 18 February 1818 (Jefferson Papers)
moral philosophy; works on [index entry]
8Thomas Jefferson to Joseph Milligan, 18 February 1818 (Jefferson Papers)
moral philosophy; works on [index entry]
9Thomas Jefferson to Robert Walsh, 19 February 1818 (Jefferson Papers)
moral philosophy; works on [index entry]
10Robert Walsh to Thomas Jefferson, 12 March 1818 (Jefferson Papers)
moral philosophy; works on [index entry]