The majority of the collection concerns the property holdings of the Deyo family at New Paltz and Esopus during the eighteenth and nineteenth centuries. Records include receipts, notes, subpoenas, wills, estate inventories, bonds, and deeds. Items of specific interest are slave purchases of Christian and Pierre Deyo (1680, 1694); will of Daniel DuBois, (1752); receipts concerning the construction of a schoolhouse and the Dutch Reformed Church at New Paltz (1770-1775); and purchases of domestic supplies such as wheat and livestock. There is also an estate inventory book of William Deyo (1812-1833).