1Charles Willson Peale to Thomas Jefferson, 20 May 1817 (Jefferson Papers)
Leschot, Louis A.; as watchmaker [index entry]
2John Barnes to Thomas Jefferson, 8 July 1817 (Jefferson Papers)
Leschot, Louis A.; as watchmaker [index entry]
3Ferdinand R. Hassler to Thomas Jefferson, 5 January 1820 (Jefferson Papers)
Leschot, Louis A.; as watchmaker [index entry]