Abstract Correspondence and transcriptions thereof, account and estate documents, government records (such as birth, marriage, and death certificates, documents, and letters), news clippings, genealogical research material, photographs, and compilation of information concerning the Knowles family and the related Adgate, Balzhäuser, Brewster, Christian, Cokenhour, Helvig, Hoyal, Hyde, Jackson, Kauffman, Klauder, Lamson, Michell, Oliger, Weigand, and other extended families, located primarily in New York,...