1Thomas Jefferson to Patrick Gibson, 13 September 1816 (Jefferson Papers)
Gibson & Jefferson (Richmond firm); account with TJ [index entry]
2James Ligon (for Patrick Gibson) to Thomas Jefferson, 21 October 1816 (Jefferson Papers)
Gibson & Jefferson (Richmond firm); account with TJ [index entry]
3Thomas Jefferson to James Ligon (for Patrick Gibson), 15 January 1817 (Jefferson Papers)
Gibson & Jefferson (Richmond firm); account with TJ [index entry]
4James Ligon (for Patrick Gibson) to Thomas Jefferson, 16 January 1817 (Jefferson Papers)
Gibson & Jefferson (Richmond firm); account with TJ [index entry]
5Thomas Jefferson to Nicolas G. Dufief, 24 January 1817 (Jefferson Papers)
Gibson & Jefferson (Richmond firm); account with TJ [index entry]
6Patrick Gibson to Thomas Jefferson, with Postscript by John G. Robert (for Gibson), 23 February 1818 (Jefferson Papers)
Gibson & Jefferson (Richmond firm); account with TJ [index entry]
7Patrick Gibson to Thomas Jefferson, 13 April 1818 (Jefferson Papers)
Gibson & Jefferson (Richmond firm); account with TJ [index entry]