1Philip Thornton to Thomas Jefferson, 19 November 1814 (Jefferson Papers)
Thornton, Philip; leases Natural Bridge from TJ [index entry]
2Thomas Jefferson’s Agreement to Lease Natural Bridge to Philip Thornton, 2 December 1814 (Jefferson Papers)
Thornton, Philip; leases Natural Bridge from TJ [index entry]
3Thomas Jefferson to William Caruthers, 3 December 1814 (Jefferson Papers)
Thornton, Philip; leases Natural Bridge from TJ [index entry]
4Thomas Jefferson to Philip Thornton, 3 December 1814 (Jefferson Papers)
Thornton, Philip; leases Natural Bridge from TJ [index entry]
5Thomas Jefferson to the Federal Assessor for Rockbridge County, 11 February 1815 (Jefferson Papers)
Thornton, Philip; leases Natural Bridge from TJ [index entry]
6William Caruthers to Thomas Jefferson, 22 February 1815 (Jefferson Papers)
Thornton, Philip; leases Natural Bridge from TJ [index entry]
7William Caruthers to Thomas Jefferson, 4 March 1815 (Jefferson Papers)
Thornton, Philip; leases Natural Bridge from TJ [index entry]
8Thomas Jefferson to William Caruthers, 15 March 1815 (Jefferson Papers)
Thornton, Philip; leases Natural Bridge from TJ [index entry]
9Philip Thornton to Thomas Jefferson, 24 January 1816 (Jefferson Papers)
Thornton, Philip; leases Natural Bridge from TJ [index entry]
10Thomas Jefferson to Patrick Gibson, 7 February 1816 (Jefferson Papers)
Thornton, Philip; leases Natural Bridge from TJ [index entry]