The majority of the papers relate to business activities of the DuBois family who owned and/or lived in the DuBois Fort on Huguenot Street in New Paltz, New York during the 18th and early 19th centuries. Bulk dates for the collection are 1733-1833. Papers include estate and legal papers such as deeds, wills, bonds, court papers, estate inventories, quit-claims and other documents pertaining to properties in the towns of New Paltz and Shawagunk in Ulster county from 1722 to 1828; as well as receipts and agreements concerning domestic goods, property, building supplies, household items, etc. dating from 1685 to 1820. The records from the late 17th and early 18th centuries, some of which are in French and Dutch, primarily relate to financial transactions of Louis and Isaac DuBois, both patentees of New Paltz.