1Thomas Jefferson to William Barton, 2 October 1812 (Jefferson Papers)
Rittenhouse, David; W. Barton’s memoir on [index entry]
2Thomas Jefferson’s Account with Nicolas G. Dufief, [ca. 4 May 1815] (Jefferson Papers)
Rittenhouse, David; W. Barton’s memoir on [index entry]
3Thomas Jefferson to John Adams, 24 January 1814 (Jefferson Papers)
Rittenhouse, David; W. Barton’s memoir on [index entry]
4John Adams to Thomas Jefferson, February–3 March 1814 (Jefferson Papers)
Rittenhouse, David; W. Barton’s memoir on [index entry]
5William Barton to Thomas Jefferson, 6 June 1814 (Jefferson Papers)
Rittenhouse, David; W. Barton’s memoir on [index entry]
6William Barton to Thomas Jefferson, 4 August 1814 (Jefferson Papers)
Rittenhouse, David; W. Barton’s memoir on [index entry]
7Thomas Jefferson to Nicolas G. Dufief, 16 August 1814 (Jefferson Papers)
Rittenhouse, David; W. Barton’s memoir on [index entry]
8Robert Patterson to Thomas Jefferson, 28 November 1815 (Jefferson Papers)
Rittenhouse, David; W. Barton’s memoir on [index entry]