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.

The correspondence, research, and teaching files of French-American cultural historian and Columbia University professor emeritus Jacques Barzun (1907-2012).

This collection documents the life and career of J. Max Bond, Jr., one of the most influential and prominent African-American architects and educators in the United States. The collection primarily documents Bond's professional activities rather than his building projects; however, the collection does contain project records and office records. The collection is made up of six series: Office Records, Personal Papers, Faculty Papers, Professional Papers, Project Records, and Reference Materials.

Oscar Newman (1935-2004) was an architect, planner, and theorist. Newman was best known for his theories on crime prevention and residential design, which he introduced in his book Defensible Space. This collection contains the majority of Newman's projects and writings spanning from the early 1960s to the late 1990s. It consists of textual materials in the form of correspondence, notes, written and typed drafts, and publications; accompanied by prints, negatives, slides, drawings, and audio/visual material.