1Thomas Jefferson to John W. Campbell, 3 September 1809 (Jefferson Papers)
Campbell, John Wilson; letters to [index entry]
2Thomas Jefferson to John W. Campbell, 1 October 1809 (Jefferson Papers)
Campbell, John Wilson; letters to [index entry]
3Thomas Jefferson to John W. Campbell, 31 January 1812 (Jefferson Papers)
Campbell, John Wilson; letters to [index entry]