1Thomas Jefferson to Tadeusz Kosciuszko, 1 March 1815 (Jefferson Papers)
Treasury Department, U.S.; treasury notes [index entry]
2Enclosure: John Barnes’s Account with Tadeusz Kosciuszko, 26 April 1815 (Jefferson Papers)
Treasury Department, U.S.; treasury notes [index entry]
3Thomas Jefferson to Tadeusz Kosciuszko, 3 July 1815 (Jefferson Papers)
Treasury Department, U.S.; treasury notes [index entry]
4Enclosure: John Barnes’s Account (as Agent of Thomas Jefferson) with Tadeusz Kosciuszko, 21 March 1816 (Jefferson Papers)
Treasury Department, U.S.; treasury notes [index entry]