1Oliver Evans to Thomas Jefferson, 7 January 1814 (Jefferson Papers)
patents; of O. Evans [index entry]
2Oliver Evans to Thomas Jefferson, 29 January 1814 (Jefferson Papers)
patents; of O. Evans [index entry]
3Enclosure: Oliver Evans’s Petition to the United States Congress, [by 28 December 1813] (Jefferson Papers)
patents; of O. Evans [index entry]