1Elizabeth Trist to Thomas Jefferson, 8 February 1816 (Jefferson Papers)
weather; effect of on health [index entry]
2Eusebio Valli to Thomas Jefferson, 5 June 1816 (Jefferson Papers)
weather; effect of on health [index entry]
3Enclosure: Ferdinand R. Hassler to Robert Patterson, 2 December 1816 (Jefferson Papers)
weather; effect of on health [index entry]