1Peter S. Du Ponceau to Thomas Jefferson, 14 November 1815 (Jefferson Papers)
Virginia; boundary of with N.C. [index entry]
2Peter S. Du Ponceau to Thomas Jefferson, 17 February 1817 (Jefferson Papers)
Virginia; boundary of with N.C. [index entry]
3Peter S. Du Ponceau to Thomas Jefferson, 24 January 1818 (Jefferson Papers)
Virginia; boundary of with N.C. [index entry]
4Peter S. Du Ponceau to Thomas Jefferson, 24 February 1818 (Jefferson Papers)
Virginia; boundary of with N.C. [index entry]