1Thomas Jefferson to John Barnes, 17 January 1810 (Jefferson Papers)
Gibson & Jefferson (Richmond firm); and T. Kosciuszko’s arrangement with TJ [index entry]
2Thomas Jefferson to John Barnes, 29 January 1810 (Jefferson Papers)
Gibson & Jefferson (Richmond firm); and T. Kosciuszko’s arrangement with TJ [index entry]
3Thomas Jefferson to John Barnes, 4 April 1811 (Jefferson Papers)
Gibson & Jefferson (Richmond firm); and T. Kosciuszko’s arrangement with TJ [index entry]
4Thomas Jefferson to John Barnes, 30 April 1812 (Jefferson Papers)
Gibson & Jefferson (Richmond firm); and T. Kosciuszko’s arrangement with TJ [index entry]