George M. B. Hawley was a Geneva, New York attorney and historian. He collected materials related to the early history of central New York. His papers include manuscripts, correspondence, newspaper articles, photographs regarding Tucson Artifacts (excavated 1924-1925), Pulteney Estates as well as others; map of homestead farm belonging to William Potter, Rhode Island, 1800. Contains deeds to Pulteney Estate land sales.Also includes a rare slave registration document from Ontario County, 1804. The collection materials date between 1793 and 1940.

This collection consists of correspondence and legal documents for land agent Joseph Fellows (agent for the Pulteney Land Office). The materials in the collection date from 1812 to 1888.

This collection consists of ledger books recording land transactions in the Pulteney Estate holdings from the 1820s to the early 1900s.