1Thomas Jefferson to Jean Baptiste Say, 2 March 1815 (Jefferson Papers)
thermometers; and meteorological observations [index entry]
2Enclosure: Summary of Meteorological Observations by Alden Partridge, [ca. 9 December 1815] (Jefferson Papers)
thermometers; and meteorological observations [index entry]
3Enclosure: Amos Hamlin’s Meteorological Observations, [by 12 January 1818] (Jefferson Papers)
thermometers; and meteorological observations [index entry]
4Enclosure: Thomas Jefferson’s Summary of Weather Observations, 1810–1816, [ca. 11 April 1818] (Jefferson Papers)
thermometers; and meteorological observations [index entry]
5Charles Johnston and Elizabeth Johnston to Thomas Jefferson, 21 July 1819 (Jefferson Papers)
thermometers; and meteorological observations [index entry]
6Martha Jefferson Randolph to Thomas Jefferson, 7 August 1819 (Jefferson Papers)
thermometers; and meteorological observations [index entry]
7Extracts from Ellen W. Randolph (Coolidge) to Martha Jefferson Randolph, 24 August 1819 (Jefferson Papers)
thermometers; and meteorological observations [index entry]
8Richard Young to Thomas Jefferson, 10 July 1820 (Jefferson Papers)
thermometers; and meteorological observations [index entry]
9Charles Pinckney to Thomas Jefferson, 6 September 1820 (Jefferson Papers)
thermometers; and meteorological observations [index entry]
10Thomas Jefferson to Robert Patterson, 7 November 1820 (Jefferson Papers)
thermometers; and meteorological observations [index entry]