1John Barnes to Thomas Jefferson, 25 April 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]
3John Barnes to Thomas Jefferson, 19 January 1816 (Jefferson Papers)
Treasury Department, U.S.; treasury notes [index entry]
4John Barnes to Thomas Jefferson, 12 February 1816 (Jefferson Papers)
Treasury Department, U.S.; treasury notes [index entry]
5John Barnes to Thomas Jefferson, 23 February 1816 (Jefferson Papers)
Treasury Department, U.S.; treasury notes [index entry]
6John Barnes to Thomas Jefferson, 31 May 1816 (Jefferson Papers)
Treasury Department, U.S.; treasury notes [index entry]
7Enclosure: 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]
8Enclosure: John Barnes’s Account with Tadeusz Kosciuszko, 26 November 1816 (Jefferson Papers)
Treasury Department, U.S.; treasury notes [index entry]