1Thomas Jefferson to James Madison, 22 May 1809 (Jefferson Papers)
weather; drought [index entry]
2Thomas Jefferson to William Thornton, 11 October 1809 (Jefferson Papers)
weather; drought [index entry]
3Thomas Jefferson to James Madison, 6 November 1809 (Jefferson Papers)
weather; drought [index entry]
4Thomas Jefferson to William Johnson, 17 March 1810 (Jefferson Papers)
weather; drought [index entry]
5Thomas Jefferson to James Madison, 25 March 1810 (Jefferson Papers)
weather; drought [index entry]
6Thomas Jefferson to William Thornton, 24 May 1810 (Jefferson Papers)
weather; drought [index entry]
7Thomas Jefferson to James Madison, 25 May 1810 (Jefferson Papers)
weather; drought [index entry]
8Thomas Jefferson to James Madison, 30 May 1810 (Jefferson Papers)
weather; drought [index entry]
9James Madison to Thomas Jefferson, 4 June 1810 (Jefferson Papers)
weather; drought [index entry]
10Thomas Jefferson to John Mason, 22 June 1810 (Jefferson Papers)
weather; drought [index entry]