1Thomas Jefferson to Philip Thornton, 3 December 1814 (Jefferson Papers)
Natural Bridge, Va.; lease of [index entry]
2Thomas Jefferson to Philip Thornton, 7 February 1816 (Jefferson Papers)
Natural Bridge, Va.; lease of [index entry]
3Thomas Jefferson to Philip Thornton, [18] August 1817 (Jefferson Papers)
Natural Bridge, Va.; lease of [index entry]
4Thomas Jefferson to Philip Thornton, 8 January 1818 (Jefferson Papers)
Natural Bridge, Va.; lease of [index entry]
5Thomas Jefferson to Philip Thornton, 10 March 1818 (Jefferson Papers)
Natural Bridge, Va.; lease of [index entry]