A collection of personal papers of Elizabeth (Betty) Blake, who was very active in both the Columbia and broader Manhattan communities, consisting primarily of correspondence, meeting agendas, minutes, and Columbia University memorabilia.

The materials that comprise the Historical Biographical Files have been collected and added to from a variety of sources over the years by current and previous staff. The files consist of materials related to people who have a connection to the University whether as student, alumni, administrator, faculty, staff, guest lecturer, or honorary degree recipient. Materials generally consist of newspaper and magazine clippings, press releases, programs, ephemera, printed matter, lists, reports, and pamphlets.

The Historical Subject Files Collection documents Columbia University history and related topics from 1754 to the present. The collection includes articles, booklets, clippings, correspondence, memoranda, non-photographic images, notes, pamphlets, posters, press releases, programs and reports.

Louis Henkin (1917-2010) was a prominent figure in international human rights law and taught at Columbia Law School for over sixty years. Henkin published more than twenty books on constitutionalism, foreign policy, human rights, and international law, and served as an expert member of the United Nations' Human Rights Committee. The collection consists of 22 linear feet of Henkin's professional record, primarily from the last twenty-five years of his career, and focuses on his teaching activity, writings, and work for the United Nations.

Marable was a leading figure in African-American studies as well as a historian, social theorist, and political activist. The collection includes appointment books, biographical information, budgets, clippings, correspondence, drafts, lecture notes, manuscripts, photographs, proposals, reports, speeches, syllabi, and teaching materials.