1Thomas Jefferson to Tadeusz Kosciuszko, 26 February 1810 (Jefferson Papers)
Jefferson, Thomas; Business & Financial Affairs; and T. Kosciuszko’s American investments [index entry]
2Thomas Jefferson to Tadeusz Kosciuszko, 8 July 1811 (Jefferson Papers)
Jefferson, Thomas; Business & Financial Affairs; and T. Kosciuszko’s American investments [index entry]
3Thomas Jefferson to Tadeusz Kosciuszko, 30 November 1813 (Jefferson Papers)
Jefferson, Thomas; Business & Financial Affairs; and T. Kosciuszko’s American investments [index entry]