1Caspar Wistar to Thomas Jefferson, 29 June 1813 (Jefferson Papers)
Wistar, Caspar; anatomical studies of [index entry]
2Caspar Wistar to Thomas Jefferson, 27 April 1815 (Jefferson Papers)
Wistar, Caspar; anatomical studies of [index entry]
3William S. Jacobs to Thomas Jefferson, 3 July 1818 (Jefferson Papers)
Wistar, Caspar; anatomical studies of [index entry]