1Thomas Jefferson to Nicolas G. Dufief, 25 December 1812 (Jefferson Papers)
Tacitus C. Cornelii Taciti Opera quae supersunt (Tacitus) [index entry]
2Nicolas G. Dufief to Thomas Jefferson, 4 January 1813 (Jefferson Papers)
Tacitus C. Cornelii Taciti Opera quae supersunt (Tacitus) [index entry]
3Nicolas G. Dufief to Thomas Jefferson, 1 February 1813 (Jefferson Papers)
Tacitus C. Cornelii Taciti Opera quae supersunt (Tacitus) [index entry]
4Enclosure: Nicolas G. Dufief’s Account with Thomas Jefferson for Books, [ca. 31 May 1813] (Jefferson Papers)
Tacitus C. Cornelii Taciti Opera quae supersunt (Tacitus) [index entry]
5Enclosure: Account with Nicolas G. Dufief, [6 April 1814] (Jefferson Papers)
Tacitus C. Cornelii Taciti Opera quae supersunt (Tacitus) [index entry]