1Charles Willson Peale to Thomas Jefferson, 28 December 1813 (Jefferson Papers)
thorn; as agricultural fence [index entry]
2Joseph C. Cabell to Thomas Jefferson, 4 July 1816 (Jefferson Papers)
thorn; as agricultural fence [index entry]
3Joseph C. Cabell to Thomas Jefferson, 30 March 1817 (Jefferson Papers)
thorn; as agricultural fence [index entry]