1Thomas Cooper to Thomas Jefferson, 21 August 1820 (Jefferson Papers)
Philadelphia; yellow fever in [index entry]
2James Monroe to Thomas Jefferson, 15 November 1820 (Jefferson Papers)
Philadelphia; yellow fever in [index entry]
3William Short to Thomas Jefferson, 25 October 1820 (Jefferson Papers)
Philadelphia; yellow fever in [index entry]
4Eusebio Valli to Thomas Jefferson, 5 June 1816 (Jefferson Papers)
Philadelphia; yellow fever in [index entry]
5Enclosure: Caspar Wistar’s Statement on Yellow Fever, 15 December 1805 (Jefferson Papers)
Philadelphia; yellow fever in [index entry]