Materials relating to the activities of Hajo Christoph, specifically his time working for the Fort Orange Paper Company designing graphic designs, and time spent as a member of the Albany Artists Group.

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

Ruth Gretchen Weeber (1913-1984) was an Albany, New York sketcher and painter of old Albany architecture. Her father Christian, developed the Weebermobile, and her sister, Marion, was a jewelry artist and designer. This collection includes photographs, exhibition information, memberships, awards, examples of work, and clippings.

The main photograph collection contains all types of photographic images, from daguerreotypes to contemporary inkjet prints from digital files. The collection also includes glass plate and cellulose acetate negatives. The images are organized into subject series. Most images relate to the people, locations, and events in Albany and other upper Hudson Valley communities. The collection also contains works by contemporary artists.

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.

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.