1Thomas Jefferson to Archibald Robertson, 12 December 1815 (Jefferson Papers)
Gibson & Jefferson (Richmond firm); payments made for TJ [index entry]
2Thomas Jefferson to Archibald Robertson, 25 April 1817 (Jefferson Papers)
Gibson & Jefferson (Richmond firm); payments made for TJ [index entry]
3Thomas Jefferson to Archibald Robertson, [12] August 1817 (Jefferson Papers)
Gibson & Jefferson (Richmond firm); payments made for TJ [index entry]
4Thomas Jefferson to Archibald Robertson, 29 September 1815 (Jefferson Papers)
Gibson & Jefferson (Richmond firm); payments made for TJ [index entry]