Incoming and outgoing correspondence with New York State lawyer, politican and legislator John Daniel McMahon. Much of it concerns Democratic Party politics and activities.

American attorney and politician, New York Attorney General. Collection consists of a single document, addressed to Enos T. Throop, governor of New York, giving some legal opinions.

Deed signed by Van Rensselaer, releasing a parcel of land in Otsego County, New York, to Peter Kemble of New York City.