1Thomas Jefferson to Mary Stith, 7 March 1811 (Jefferson Papers)
Virginia; limestone in [index entry]
2Mary Stith to Thomas Jefferson, 17 March 1811 (Jefferson Papers)
Virginia; limestone in [index entry]
3George Flower’s Account of a Visit to Poplar Forest and Natural Bridge, [25–28 November 1816] (Jefferson Papers)
Virginia; limestone in [index entry]
4Thomas Jefferson to Robert Anderson, 13 June 1819 (Jefferson Papers)
Virginia; limestone in [index entry]
5Thomas Jefferson’s Conveyance of Limestone Tract to Abraham Hawley, 28 February 1821 (Jefferson Papers)
Virginia; limestone in [index entry]