Research notes compiled by Susan Bonynge Strange and Lucretia Booth Evans in researching the Foot(e), Booth, and Colt lines of their family trees. This collection contains correspondence, genealogies, and photographs.

John Mason Clarke was the Director of the New York State Museum from 1904 until his death in 1925. This collection includes correspondence, clippings, and diaries.

The Pruyn Family Papers contains documents relating to three consecutive generations of the John Pruyn Family, along with genealogies and personal papers of more distant family relations. An autograph collection of presidents, statesmen, and local historic figures is included. The ownership of 43-45 North Pearl Street is documented from the first sale in 1679 to the last in 1968. The estates of Eleanor Erving, Justine Bayard Erving and Van Rensselaer Pruyn are also documented.

Papers of several family members, consisting mostly of correspondence. Collection consists mainly of papers of Cuyler Reynolds and Dexter Reynolds.

This collection contains correspondence addressed to Charles R. Webster, and his twin brother, George Webster, printers and founders of the Albany Gazette. The collection also contains letters written by their children and other family members, as well as fifty letters either addressed to or written by the son of Charles R. Webster, Matthew H. Webster, who served as Chairman of the Albany Institute.