1James Penn (for Archibald Robertson) to Thomas Jefferson, 29 September 1815 (Jefferson Papers)
Gibson & Jefferson (Richmond firm); payments made for TJ [index entry]
2Archibald Robertson to Thomas Jefferson, 3 April 1816 (Jefferson Papers)
Gibson & Jefferson (Richmond firm); payments made for TJ [index entry]
3Archibald Robertson to Thomas Jefferson, 12 August 1817 (Jefferson Papers)
Gibson & Jefferson (Richmond firm); payments made for TJ [index entry]