1Thomas Jefferson to Caspar Wistar, 22 October 1815 (Jefferson Papers)
Virginia; climate of [index entry]
2Thomas Jefferson to George Flower, 18 August 1816 (Jefferson Papers)
Virginia; climate of [index entry]
3Thomas Jefferson to Albert Gallatin, [before 6 June 1817] (Jefferson Papers)
Virginia; climate of [index entry]
4Thomas Feeling to Thomas Jefferson, 12 December 1817 (Jefferson Papers)
Virginia; climate of [index entry]
5Thomas Jefferson to Jacob Bigelow, 11 April 1818 (Jefferson Papers)
Virginia; climate of [index entry]
6Enclosure: John Wood’s Circular Call for Statistics on Virginia, [before 27 July 1819] (Jefferson Papers)
Virginia; climate of [index entry]
7Thomas Jefferson to George Ticknor, 24 December 1819 (Jefferson Papers)
Virginia; climate of [index entry]