1Thomas Jefferson to Patrick Gibson, 6 October 1813 (Jefferson Papers)
weather; drought [index entry]
2Thomas Jefferson to Patrick Gibson, 1 April 1817 (Jefferson Papers)
weather; drought [index entry]
3Thomas Jefferson to Patrick Gibson, 26 April 1817 (Jefferson Papers)
weather; drought [index entry]
4Thomas Jefferson to Patrick Gibson, 10 September 1819 (Jefferson Papers)
weather; drought [index entry]
5Thomas Jefferson to Patrick Gibson, 8 October 1819 (Jefferson Papers)
weather; drought [index entry]
6Thomas Jefferson to Patrick Gibson, 11 November 1819 (Jefferson Papers)
weather; drought [index entry]
7Thomas Jefferson to Patrick Gibson, 26 November 1819 (Jefferson Papers)
weather; drought [index entry]
8Thomas Jefferson to Patrick Gibson, 16 January 1820 (Jefferson Papers)
weather; drought [index entry]
9Thomas Jefferson to Patrick Gibson, 11 February 1820 (Jefferson Papers)
weather; drought [index entry]
10Thomas Jefferson to Patrick Gibson, 15 March 1820 (Jefferson Papers)
weather; drought [index entry]