Letters, diaries, writings, sermons, letter books, business papers, and memorabilia of David Cushman (1795-) of West Exeter, Otsego County, New York and members of his family. The papers relate primarily to personal, family, and business matters, although there is some material on the anti-slavery movement and some Civil War papers of George C. Cushman. Other material of interest includes some papers relating to the Poughkeepsie Collegiate School and a series of business letters written from the Midwest, 1855-1868.