1David Bailie Warden to Thomas Jefferson, 1 April 1813 (Jefferson Papers)
Hassler, Ferdinand Rudolph; sends works to TJ [index entry]
2Ferdinand R. Hassler to Thomas Jefferson, 1 August 1813 (Jefferson Papers)
Hassler, Ferdinand Rudolph; sends works to TJ [index entry]
3Thomas Jefferson to David Bailie Warden, 29 December 1813 (Jefferson Papers)
Hassler, Ferdinand Rudolph; sends works to TJ [index entry]