21John Vaughan to Thomas Jefferson, 6 October 1817 (Jefferson Papers)
Vaughan, John; letters from [index entry]
22John Vaughan to Thomas Jefferson, 14 October 1817 (Jefferson Papers)
Vaughan, John; letters from [index entry]
23John Vaughan to Thomas Jefferson, 22 January 1818 (Jefferson Papers)
Vaughan, John; letters from [index entry]
24John Vaughan to Thomas Jefferson, 12 February 1818 (Jefferson Papers)
Vaughan, John; letters from [index entry]
25John Vaughan to Thomas Jefferson, 7 May 1818 (Jefferson Papers)
Vaughan, John; letters from [index entry]
26John Vaughan to Thomas Jefferson, 14 May 1818 (Jefferson Papers)
Vaughan, John; letters from [index entry]
27John Vaughan to Thomas Jefferson, 26 September 1818 (Jefferson Papers)
Vaughan, John; letters from [index entry]
28John Vaughan to Thomas Jefferson, 11 December 1818 (Jefferson Papers)
Vaughan, John; letters from [index entry]
29John Vaughan to Thomas Jefferson, 3 March 1820 (Jefferson Papers)
Vaughan, John; letters from [index entry]
30John Vaughan to Thomas Jefferson, 22 March 1820 (Jefferson Papers)
Vaughan, John; letters from [index entry]