1John Vaughan to Thomas Jefferson, 3 March 1820 (Jefferson Papers)
Vaughan, John; account with TJ [index entry]
2Patrick Gibson to Thomas Jefferson, 4 May 1818 (Jefferson Papers)
Vaughan, John; account with TJ [index entry]
3John Vaughan to Thomas Jefferson, 6 October 1817 (Jefferson Papers)
Vaughan, John; account with TJ [index entry]
4John Vaughan to Thomas Jefferson, 30 July 1817 (Jefferson Papers)
Vaughan, John; account with TJ [index entry]
5John Vaughan to Thomas Jefferson, 18 June 1817 (Jefferson Papers)
Vaughan, John; account with TJ [index entry]
6John Vaughan to Thomas Jefferson, 2 June 1817 (Jefferson Papers)
Vaughan, John; account with TJ [index entry]
7Patrick Gibson to Thomas Jefferson, 28 May 1817 (Jefferson Papers)
Vaughan, John; account with TJ [index entry]
8Thomas Jefferson to Patrick Gibson, 24 May 1817 (Jefferson Papers)
Vaughan, John; account with TJ [index entry]
9Patrick Gibson to Thomas Jefferson, 1 May 1817 (Jefferson Papers)
Vaughan, John; account with TJ [index entry]
10Thomas Jefferson to Patrick Gibson, 26 April 1817 (Jefferson Papers)
Vaughan, John; account with TJ [index entry]