1Thomas Jefferson to John Barnes, 15 June 1809 (Jefferson Papers)
Kosciuszko, Tadeusz (Thaddeus) Andrzej Bonawentura; TJ’s draft to [index entry]
2Thomas Jefferson to John Barnes, 26 February 1810 (Jefferson Papers)
Kosciuszko, Tadeusz (Thaddeus) Andrzej Bonawentura; TJ’s draft to [index entry]
3Thomas Jefferson to Tadeusz Kosciuszko, 26 February 1810 (Jefferson Papers)
Kosciuszko, Tadeusz (Thaddeus) Andrzej Bonawentura; TJ’s draft to [index entry]
4Thomas Jefferson to John Barnes, 4 April 1811 (Jefferson Papers)
Kosciuszko, Tadeusz (Thaddeus) Andrzej Bonawentura; TJ’s draft to [index entry]
5Thomas Jefferson to Tadeusz Kosciuszko, 8 July 1811 (Jefferson Papers)
Kosciuszko, Tadeusz (Thaddeus) Andrzej Bonawentura; TJ’s draft to [index entry]
6Thomas Jefferson to John Barnes, 27 January 1812 (Jefferson Papers)
Kosciuszko, Tadeusz (Thaddeus) Andrzej Bonawentura; TJ’s draft to [index entry]