1Thomas Jefferson to Thomas Cooper, 16 January 1814 (Jefferson Papers)
patents; of O. Evans [index entry]
2Thomas Jefferson to Oliver Evans, 16 January 1814 (Jefferson Papers)
patents; of O. Evans [index entry]
3Isaac McPherson to Thomas Jefferson, 28 August 1813 (Jefferson Papers)
patents; of O. Evans [index entry]
4Isaac McPherson to Thomas Jefferson, 2 January 1814 (Jefferson Papers)
patents; of O. Evans [index entry]
5Isaac McPherson to Thomas Jefferson, 3 August 1813 (Jefferson Papers)
patents; of O. Evans [index entry]
6Oliver Evans to Thomas Jefferson, 7 January 1814 (Jefferson Papers)
patents; of O. Evans [index entry]
7Thomas Cooper to Thomas Jefferson, 31 May 1814 (Jefferson Papers)
patents; of O. Evans [index entry]
8Oliver Evans to Thomas Jefferson, 29 January 1814 (Jefferson Papers)
patents; of O. Evans [index entry]
9John Moody to Thomas Jefferson, January 1812 (Jefferson Papers)
patents; of O. Evans [index entry]
10Thomas Jefferson to Isaac McPherson, 18 September 1813 (Jefferson Papers)
patents; of O. Evans [index entry]