1Thomas Jefferson to Thomas Cooper, 6 February 1818 (Jefferson Papers)
Wistar, Caspar; death of [index entry]
2Thomas Jefferson to John Wayles Eppes, 6 February 1818 (Jefferson Papers)
Wistar, Caspar; death of [index entry]
3John Vaughan to Thomas Jefferson, 22 January 1818 (Jefferson Papers)
Wistar, Caspar; death of [index entry]
4Robert M. Patterson to Thomas Jefferson, 23 January 1818 (Jefferson Papers)
Wistar, Caspar; death of [index entry]
5Robert Walsh to Thomas Jefferson, 27 January 1818 (Jefferson Papers)
Wistar, Caspar; death of [index entry]
6William Short to Thomas Jefferson, 5 December 1821 (Jefferson Papers)
Wistar, Caspar; death of [index entry]
7Peter S. Du Ponceau to Thomas Jefferson, 24 January 1818 (Jefferson Papers)
Wistar, Caspar; death of [index entry]
8Peter S. Du Ponceau to Thomas Jefferson, 22 January 1818 (Jefferson Papers)
Wistar, Caspar; death of [index entry]
9Thomas Cooper to Thomas Jefferson, 23 January 1818 (Jefferson Papers)
Wistar, Caspar; death of [index entry]
10William S. Jacobs to Thomas Jefferson, 3 July 1818 (Jefferson Papers)
Wistar, Caspar; death of [index entry]