The fonds consists of personal and business correspondence, will and probate, and a collection of James Dougall letters. Most of the correspondence is arranged chronologically, and is concerned with Stevenson's business affairs and banking transactions. One letter from J. P. Downes, a fellow townsman and militia officer, deals with alarums and excursions on the troubled Niagara frontier in the autumn of 1839. Stevenson's activities on behalf of his constituents are reflected in letters concerning Picton harbour improvement, a pension for a veteran of 1837 and the appointment of a postmaster at Bloomfield. Also included are photocopies of general and business correspondence that are held privately, but were copied and included in this fonds.