1Thomas Jefferson to Tadeusz Kosciuszko, 3 July 1815 (Jefferson Papers)
Jefferson, Thomas; Business & Financial Affairs; and T. Kosciuszko’s American investments [index entry]
2Thomas Jefferson to Tadeusz Kosciuszko, 1 March 1815 (Jefferson Papers)
Jefferson, Thomas; Business & Financial Affairs; and T. Kosciuszko’s American investments [index entry]