1James Monroe to Thomas Jefferson, 22 July 1818 (Jefferson Papers)
South America; U.S. commission to [index entry]
2Caesar A. Rodney to Thomas Jefferson, 8 August 1818 (Jefferson Papers)
South America; U.S. commission to [index entry]
3Caesar A. Rodney to Thomas Jefferson, 19 December 1819 (Jefferson Papers)
South America; U.S. commission to [index entry]
4Henry M. Brackenridge to Thomas Jefferson, 5 February 1820 (Jefferson Papers)
South America; U.S. commission to [index entry]