1John Vaughan to Thomas Jefferson, 19 August 1809 (Jefferson Papers)
Vaughan, John; letters from [index entry]
2John Vaughan to Thomas Jefferson, 20 August 1809 (Jefferson Papers)
Vaughan, John; letters from [index entry]
3John Vaughan to Thomas Jefferson, 1 May 1812 (Jefferson Papers)
Vaughan, John; letters from [index entry]
4John Vaughan to Thomas Jefferson, 8 June 1812 (Jefferson Papers)
Vaughan, John; letters from [index entry]
5John Vaughan to Thomas Jefferson, 19 April 1813 (Jefferson Papers)
Vaughan, John; letters from [index entry]
6John Vaughan to Thomas Jefferson, 28 May 1814 (Jefferson Papers)
Vaughan, John; letters from [index entry]
7John Vaughan to Thomas Jefferson, [received 21 September 1814] (Jefferson Papers)
Vaughan, John; letters from [index entry]
8John Vaughan to Thomas Jefferson, 9 January 1815 (Jefferson Papers)
Vaughan, John; letters from [index entry]
9John Vaughan to Thomas Jefferson, 19 March 1815 (Jefferson Papers)
Vaughan, John; letters from [index entry]
10John Vaughan to Thomas Jefferson, 24 March 1815 (Jefferson Papers)
Vaughan, John; letters from [index entry]