Henry Hope Reed (1915-2013) was an American author, architecture critic and advocate of classical architecture. Along with writing and giving New York City walking tours, Reed served curator of Central Park and co-founder of Classical America. This collection contains his writings, correspondence, photographs and extensive research files on classical architecture and the people, parks, buildings, streets and history of New York City.

This collection documents the founding and day-to-day activities of BirthNet, a birth justice organization located in the Capital District of New York.

The Van Keuren Papers consist of 2 linear feet of notes, reports, correspondence, unpublished manuscripts, clippings, research articles, pamphlets and booklets; 1 linear foot of oral history tapes; and 8 linear feet of artifacts, mostly tourist type dolls, but also some more ceremonial masks and rattles.

Business and project records from the non-profit industrial design and architecture firm and its successor, the for-profit REDE Corp. Collection includes correspondence, reports, manuscripts, photographs, drawings, project files, posters, audiovisual material, more.

The collection consists of 157 volumes of business books and three boxes of financial materials, correspondence, books, scrapbooks and diaries relating to the Bell Family and the Abraham Bell and Son Company.

Personal papers documenting aspects of the final few years of an independent Temple Sinai, and merger talks with Temple Beth Am, to form a new combined Reform and Reconstructionist congregation, Congregation Shir Shalom.

The Union Settlement Association Records document a century of the settlement's activities, and provide a unique view of the first wave of the settlement movement in America. They document social conditions, demographic change, political activity, philanthropy and social work in East Harlem with a strong emphasis on the urban renewal period of the 1950s and '60s. The records include: annual reports, board minutes and committee files, headworker and executive director files, program reports, community organization files, and visual materials such as photographs, maps and architectural drawings.

Congregational papers documenting the religious, historic and cultural life of Temple Beth El from its beginnings in 1847 until 2006 just prior to merger with Shaarey Zedek to form Temple Beth Tzedek in 2008.

The J. Christopher Jaffe papers consist of personal and professional papers belonging to J. Christopher Jaffe and pertaining mainly to his work with acoustic design.

John Dunbar was a Presbyterian missionary who lived with Pawnee of Nebraska on behalf of the American Board of Commissioners for Foreign Missions. The collection contains a handwritten manuscript detailing Dunbar's experiences, and two letters written to his son by a pastor inquiring about Dunbar's work.