This collection consists of records from and materials related to the Reynolds Library of Rochester, New York. Due to a lack of provenance, this may be an artificial collection. Materials in the collection include ledger books, operating records, manuscripts, and correspondence. The materials date from 1879 to 1935.

This collection consists of materials related to the founding of the Rochester Public Library and the union of Reynolds Library and the City Library, along with the construction of the Rundel building. The materials include documents, photos, and clippings. The collection includes the Reynolds Library 1884 Act of Incorporation and 1931 court proceedings against the City regarding the Rundel donation. The collection as a whole dates between 1884 and 1944.