April 27, 1786 | Letter Samuel Parsons to Ezra Stiles, Forwarded to Thomas Jefferson, April 27, 1786 Samuel Parsons describes the fossils and ancient fortifications he encountered on his travels along the Ohio River during the Fall/Winter of 1785. Parsons letter to Stiles was forwarded to Jefferson, who was extremely interested in the discoveries along Big Bone Lick and the Ohio River.
May 8, 1786 | Letter Ezra Stiles to Thomas Jefferson, May 8, 1786 Ezra Stiles pens a note to Thomas Jefferson, introducing Samuel Wales of Yale University. Stiles also prefaces the enclosed letter from Samuel Parsons (see Samuel Parsons to Ezra Stiles, April 27, 1786.)