11Thomas Jefferson to William Wirt, 5 February 1820 (Jefferson Papers)
Kosciuszko, Tadeusz (Thaddeus) Andrzej Bonawentura; wills of [index entry]
12Thomas Jefferson to John Barnes, 14 March 1819 (Jefferson Papers)
Kosciuszko, Tadeusz (Thaddeus) Andrzej Bonawentura; wills of [index entry]
13Thomas Jefferson to Benjamin L. Lear, 25 September 1821 (Jefferson Papers)
Kosciuszko, Tadeusz (Thaddeus) Andrzej Bonawentura; wills of [index entry]
14Thomas Jefferson to Tadeusz Kosciuszko, 26 February 1810 (Jefferson Papers)
Kosciuszko, Tadeusz (Thaddeus) Andrzej Bonawentura; will of [index entry]
15Thomas Jefferson to William Wirt, 27 June 1819 (Jefferson Papers)
Kosciuszko, Tadeusz (Thaddeus) Andrzej Bonawentura; wills of [index entry]
16Thomas Jefferson to Franz X. Zeltner, 23 July 1818 (Jefferson Papers)
Kosciuszko, Tadeusz (Thaddeus) Andrzej Bonawentura; wills of [index entry]
17Thomas Jefferson to John Armstrong, 14 March 1819 (Jefferson Papers)
Kosciuszko, Tadeusz (Thaddeus) Andrzej Bonawentura; wills of [index entry]
18Thomas Jefferson to William Wirt, 5 January 1818 (Jefferson Papers)
Kosciuszko, Tadeusz (Thaddeus) Andrzej Bonawentura; wills of [index entry]
19Thomas Jefferson to Marc Antoine Jullien, 23 July 1818 (Jefferson Papers)
Kosciuszko, Tadeusz (Thaddeus) Andrzej Bonawentura; wills of [index entry]
20Thomas Jefferson to John Barnes, 10 September 1821 (Jefferson Papers)
Kosciuszko, Tadeusz (Thaddeus) Andrzej Bonawentura; wills of [index entry]