Personal, academic, and legal correspondence, manuscripts, documents, photographs, and memoranda. Among the legal files, there is particular emphasis on labor and welfare law. The files also contain materials about his judicial appointment, the American Law Institute, the Columbia University School of Law, and the Project on International Procedure. Among the major correspondents are: James A. Farley, Arthur J. Goldberg, Philip C. Jessup, Robert F. Kennedy, Harold R. Medina, James A. Pike, and Lionel Trilling

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.

Correspondence, manuscripts, documents, photographs, memorabilia, and printed materials. Correspondence is both professional and personal, relating primarily to Fuld's duties in the New York District Attorney's Office, as a judge in the state and federal courts, and to his civic work for the Jewish Theological Seminary, the City College of New York, New York University, and the Columbia University Law School. Major correspondents include: Thomas E. Dewey, Louis Finkelstein, Herbert Lehman, and Nelson A. Rockefeller. The rest of the collection consists of Fuld's briefs, opinions, memoranda, forms of indictments, appeals cases, reports for the New York State Court of Appeals from his appointment in 1946 through 1973, and manuscripts of his speeches and lectures. The memoranda series deals chiefly with investigations into organized crime. In addition there are biographical materials, memorabilia, and photographs.

Correspondence, writings, reports, memoranda, case files, and related printed materials. The papers cover the entire field of law with particular emphasis on civil rights, labor law, and family law. They include several series of office files dealing with Columbia University Law faculty, students, his course materials, and the administration of the Law School. In addition, there are numerous files for Amherst College (from which Gellhorn received his A.B. degree), arbitration cases, federal administrative procedure, legislation, the American Civil Liberties Union, the Association of American Law Schools, and Fordham University (for which he prepared a study). There are manuscripts, drafts, proofs, correspondence, and other related materials for some of his books: Administrative Law Cases and Comments (1940); Security, Loyalty and Science (1950); The States and Subversion (1952); Individual Freedom and Government Restraint (1956); When Americans Complain (1966); and Ombudsmen and others (1966).