1Tadeusz Kosciuszko to Thomas Jefferson, 20 May 1809 (Jefferson Papers)
Kosciuszko, Tadeusz (Thaddeus) Andrzej Bonawentura; and J. Barnes [index entry]
2John Barnes to Thomas Jefferson, 8 March 1814 (Jefferson Papers)
Kosciuszko, Tadeusz (Thaddeus) Andrzej Bonawentura; and J. Barnes [index entry]
3Thomas Jefferson to John Barnes, 22 March 1814 (Jefferson Papers)
Kosciuszko, Tadeusz (Thaddeus) Andrzej Bonawentura; and J. Barnes [index entry]
4John Barnes to Thomas Jefferson, 5 April 1814 (Jefferson Papers)
Kosciuszko, Tadeusz (Thaddeus) Andrzej Bonawentura; and J. Barnes [index entry]
5John Barnes to Thomas Jefferson, 16 April 1814 (Jefferson Papers)
Kosciuszko, Tadeusz (Thaddeus) Andrzej Bonawentura; and J. Barnes [index entry]
6John Barnes to Thomas Jefferson, 2 May 1814 (Jefferson Papers)
Kosciuszko, Tadeusz (Thaddeus) Andrzej Bonawentura; and J. Barnes [index entry]
7John Barnes to Thomas Jefferson, 2 May 1814 (Jefferson Papers)
Kosciuszko, Tadeusz (Thaddeus) Andrzej Bonawentura; and J. Barnes [index entry]
8Thomas Jefferson to John Barnes, 8 May 1814 (Jefferson Papers)
Kosciuszko, Tadeusz (Thaddeus) Andrzej Bonawentura; and J. Barnes [index entry]
9Thomas Jefferson to George W. Campbell, 8 May 1814 (Jefferson Papers)
Kosciuszko, Tadeusz (Thaddeus) Andrzej Bonawentura; and J. Barnes [index entry]
10John Barnes to Thomas Jefferson, 13 May 1814 (Jefferson Papers)
Kosciuszko, Tadeusz (Thaddeus) Andrzej Bonawentura; and J. Barnes [index entry]