1Thomas Jefferson to John Barnes, 5 January 1818 (Jefferson Papers)
Barnes, John; and T. Kosciuszko’s estate [index entry]
2Thomas Jefferson to John Barnes, 14 March 1819 (Jefferson Papers)
Barnes, John; and T. Kosciuszko’s estate [index entry]
3Thomas Jefferson to John Barnes, 12 June 1819 (Jefferson Papers)
Barnes, John; and T. Kosciuszko’s estate [index entry]
4Thomas Jefferson to John Barnes, 10 September 1821 (Jefferson Papers)
Barnes, John; and T. Kosciuszko’s estate [index entry]
5Thomas Jefferson to John Barnes, 25 September 1821 (Jefferson Papers)
Barnes, John; and T. Kosciuszko’s estate [index entry]
6Thomas Jefferson to John Barnes, 16 October 1821 (Jefferson Papers)
Barnes, John; and T. Kosciuszko’s estate [index entry]