1Franz X. Zeltner to Thomas Jefferson, 29 October 1817 (Jefferson Papers)
Kosciuszko, Tadeusz (Thaddeus) Andrzej Bonawentura; death of [index entry]
2Isaac Cox Barnet to Thomas Jefferson, 30 November 1817 (Jefferson Papers)
Kosciuszko, Tadeusz (Thaddeus) Andrzej Bonawentura; death of [index entry]
3John Barnes to Thomas Jefferson, 30 December 1817 (Jefferson Papers)
Kosciuszko, Tadeusz (Thaddeus) Andrzej Bonawentura; death of [index entry]
4John Armstrong to Thomas Jefferson, 4 January 1818 (Jefferson Papers)
Kosciuszko, Tadeusz (Thaddeus) Andrzej Bonawentura; death of [index entry]
5John Barnes to Thomas Jefferson, 10 January 1818 (Jefferson Papers)
Kosciuszko, Tadeusz (Thaddeus) Andrzej Bonawentura; death of [index entry]
6Peter J. Zeltner to Thomas Jefferson, [received 30 October 1818] (Jefferson Papers)
Kosciuszko, Tadeusz (Thaddeus) Andrzej Bonawentura; death of [index entry]
7Franciszek Paszkowski to Thomas Jefferson, 1 November 1818 (Jefferson Papers)
Kosciuszko, Tadeusz (Thaddeus) Andrzej Bonawentura; death of [index entry]
8Franz X. Zeltner to Thomas Jefferson, 14 April 1819 (Jefferson Papers)
Kosciuszko, Tadeusz (Thaddeus) Andrzej Bonawentura; death of [index entry]