1George Jefferson to Thomas Jefferson, 13 June 1811 (Jefferson Papers)
Gibson & Jefferson (Richmond firm); flour sold for TJ [index entry]
2James Ligon (for Patrick Gibson) to Thomas Jefferson, 21 October 1816 (Jefferson Papers)
Gibson & Jefferson (Richmond firm); flour sold for TJ [index entry]
3Patrick Gibson to Thomas Jefferson, 13 April 1818 (Jefferson Papers)
Gibson & Jefferson (Richmond firm); flour sold for TJ [index entry]