1Joseph C. Cabell to Thomas Jefferson, 17 February 1820 (Jefferson Papers)
Ohio River; connection with James River [index entry]
2William Short to Thomas Jefferson, 27 March 1820 (Jefferson Papers)
Ohio River; connection with James River [index entry]
3Thomas Jefferson to William Short, 13 April 1820 (Jefferson Papers)
Ohio River; connection with James River [index entry]
4Richard Young to Thomas Jefferson, 11 May 1820 (Jefferson Papers)
Ohio River; connection with James River [index entry]