The bulk of the Motley papers document her professional life. The papers include correspondence, manuscripts, memoranda, speeches, interviews, photographs, audio cassettes, and memorabilia.

This collection contains the papers of lawyer and legal scholar Herbert Wechsler. The various documentation includes Wechsler's work with the United States Department of Justice (including documents from the Nuremberg and International Military Tribunals), The American Law Institute (including the work of the Model Penal Code), Columbia University, and several other organizations to which Wechsler contributed or with which he was affiliated. The collection also contains papers related to Wechsler's legal work, including documents pertaining to his work on New York Times Co. v. Sullivan. Wechsler's scholarly work is also collected here including drafts of articles, books, speeches, and special lectures such as his Oliver Wendell Holmes Lecture, "Toward Neutral Principles of Constitutional Law". The Herbert Wechsler papers also cover various points of interaction Wechsler had with other figures in his field including Francis Biddle, Telford Taylor, and Supreme Court Justice Felix Frankfurter. The genre of documentation is primarily correspondence, reports, and writings with annotations. The collection also contains some ephemera and photographic materials and one audiocassette.

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.

Papers of the Society, including correspondence among the officers and directors of the Society, memoranda, reports, legal papers, minutes, financial records, radio scripts, clippings, scrapbooks, comic books, and a subject file of pamphlets and clippings on all aspects of crime prevention. Also, an extensive history of the Society.

The Wilfred Feinberg papers consist of over 200 linear feet of material, primarily dating from his fifty years as a judge on the United States District Court for the Southern District of New York and United States Court of Appeals for the Second Circuit. Some highlights of the collection include rulings and case files from precedent-setting cases, Feinberg's committee work drafting the 1995 Long Range Plan for the Federal Courts, and a detailed oral history.