1Thomas Jefferson to Henry Voigt, 14 September 1810 (Jefferson Papers)
Fitch, John; and steamboats [index entry]
2Enclosure: Oliver Evans’s Petition to the United States Congress, [by 28 December 1813] (Jefferson Papers)
Fitch, John; and steamboats [index entry]
3Thomas Jefferson to Benjamin Waterhouse, 3 March 1818 (Jefferson Papers)
Fitch, John; and steamboats [index entry]