1Ferdinand R. Hassler to Thomas Jefferson, 5 January 1820 (Jefferson Papers)
Charlottesville, Va.; watchmaker needed in [index entry]
2Thomas Jefferson to Ferdinand R. Hassler, 25 December 1819 (Jefferson Papers)
Charlottesville, Va.; watchmaker needed in [index entry]
3Charles Willson Peale to Thomas Jefferson, 20 May 1817 (Jefferson Papers)
Charlottesville, Va.; watchmaker needed in [index entry]
4Thomas Jefferson to Charles Willson Peale, 16 March 1817 (Jefferson Papers)
Charlottesville, Va.; watchmaker needed in [index entry]
5Charles Willson Peale to Thomas Jefferson, 28 February 1817 (Jefferson Papers)
Charlottesville, Va.; watchmaker needed in [index entry]
6Thomas Jefferson to Robert Patterson, 1 January 1817 (Jefferson Papers)
Charlottesville, Va.; watchmaker needed in [index entry]
7Thomas Jefferson to Charles Willson Peale, 24 December 1816 (Jefferson Papers)
Charlottesville, Va.; watchmaker needed in [index entry]
8Joseph E. McIlhenney to Thomas Jefferson, 21 December [1816] (Jefferson Papers)
Charlottesville, Va.; watchmaker needed in [index entry]
9Enclosure: Ferdinand R. Hassler to Robert Patterson, 2 December 1816 (Jefferson Papers)
Charlottesville, Va.; watchmaker needed in [index entry]
10Robert Patterson to Thomas Jefferson, 13 December 1816 (Jefferson Papers)
Charlottesville, Va.; watchmaker needed in [index entry]