1Thomas Jefferson to David Hosack, 3 May 1815 (Jefferson Papers)
yellow fever; works on [index entry]
2Eusebio Valli to Thomas Jefferson, 5 June 1816 (Jefferson Papers)
yellow fever; works on [index entry]
3John L. E. W. Shecut to Thomas Jefferson, 11 December 1817 (Jefferson Papers)
yellow fever; works on [index entry]
4John Patterson to Thomas Jefferson, 6 January 1819 (Jefferson Papers)
yellow fever; works on [index entry]
5Thomas Jefferson to John Patterson, 31 January 1819 (Jefferson Papers)
yellow fever; works on [index entry]