Correspondence, legal documents, account book, newspaper clippings, printed matter, and other papers chiefly of Samuel Holden Parsons (1737-1789), his son, Enoch Parsons, and Enoch's son, Samuel Holden Parsons (1800-1871). Includes a 1778 letter from General Parsons to his friend, American loyalist William Walter, in which he argues the colonists' cause. Also includes material on Parsons's work for the Ohio Company relating to land development near Marietta, Ohio, and in the Western Reserve. Other topics include Indians in the Old Northwest, the nullification controversy, and family matters. Family correspondents include Mary Sullivan Parsons Dickson, Enoch Thomas Parsons, Henry Ethelbert Parsons, Jonathan Parsons, and Mehetabel Mather Parsons. Other correspondents include Richard Butler, Oliver Ellsworth, Jonathan Greenleaf, Benjamin Huntington, Joel Munsell, Israel Putnam, Benjamin F. Wade, and Elisha Whittlesey.