1Thomas Jefferson to Patrick Gibson, 8 June 1816 (Jefferson Papers)
Vaughan, John; account with TJ [index entry]
2Thomas Jefferson to Patrick Gibson, 26 April 1817 (Jefferson Papers)
Vaughan, John; account with TJ [index entry]
3Thomas Jefferson to Patrick Gibson, 24 May 1817 (Jefferson Papers)
Vaughan, John; account with TJ [index entry]