1Thomas Jefferson to Joseph C. Cabell, 23 December 1815 (Jefferson Papers)
Virginia; Literary Fund [index entry]
2Thomas Jefferson to Joseph C. Cabell, 9 September 1817 (Jefferson Papers)
Virginia; Literary Fund [index entry]
3Thomas Jefferson to Joseph C. Cabell, 14 January 1818 (Jefferson Papers)
Virginia; Literary Fund [index entry]
4Thomas Jefferson to Joseph C. Cabell, 28 January 1819 (Jefferson Papers)
Virginia; Literary Fund [index entry]