The American Civil Liberties Union Records document the activities of the Union in protecting individual rights from 1920 through 1995. The files contain materials on freedom of speech, expression, and association; due process of law; equality before the law; legal case files; and organizational records. Within these categories files reflect subject areas such as academic freedom, censorship, racial discrimination, aliens' rights, privacy concerns, labor concerns, amnesty, and government loyalty and security. The files reflect work on litigation, advocacy and public policy, and subject files on various areas of interest connected with civil liberties. Materials include correspondence, court documents, memoranda, printed matter, minutes, reports, briefs, and legal files. Also included are materials from ACLU affiliate organizations, and the Lawyers Constitutional Defense Committee. Subgroup 2, Series 4 has been digitized and is available for members of the Princeton community to view here. To view the database from outside Princeton University, please see the Guide to the American Civil Liberties Union Records.

The F. Scott Fitzgerald Papers (C0187) is a comprehensive literary archive containing the original manuscripts, working drafts, corrected galleys, personal and professional correspondence, autobiographical scrapbooks, photographs, and other original materials of F. Scott Fitzgerald (1896-1940), Princeton Class of 1917.

The collection contains manuscripts related to four generations of the Blanco White family, spanning two centuries: including works, diaries, correspondence, documents, accounts and expense records, and printed material. Joseph Blanco White, the Spanish-English writer and religious figure, remains the focus of the collection; however, his brother Fernando, a politician and intellectual of 19th-century Seville, also accounts for a substantial part of the material. Of particular interest are autograph manuscripts of several of Joseph's literary efforts, as well as other genealogical material relating to the Blanco White family.

An open collection of examples of British sigillography (matrices, royal charters with seals, seal impressions, and related material), collected by Bruce C. Willsie, Class of 1986.

The collection documents the career of Richard Rush (Princeton Class of 1797) as lawyer, statesman, and diplomat, emphasizing diplomatic negotiations between the United States and Great Britain while he was minister to Great Britain (1817-1825) and between the United States and France when he was minister to France (1847-1849), as well as his successful efforts (1836-1838) in securing the Smithsonian bequest, which was used to establish the Smithsonian Institution. The papers of Richard Rush constitute the larger part of the collection; letters of his father, Benjamin Rush, M.D. (Princeton Class of 1760), and papers of his son, Benjamin Rush (Princeton Class of 1829, constitute the other major groups of papers in this family archive.

Bill Bradley (1943- ) was a United States Senator from New Jersey from 1979 to 1995. His papers document his career in the United States Senate and include subject files, copies of his speeches and testimony, press releases, his schedules and appointments, and awards he received. The papers also include the files of members of his legislative, administrative, and state office staff.

This collection contains images used or considered for use by the publication the Princeton Alumni Weekly. The photographs are generally black-white glossy 8x10 prints; however, 5x7 prints are also found within the collection. The photographs are arranged in general topics, and then alphabetically within each subject. New accruals are added on to the end of the collection and maintained in the order in which they were transferred.

The McCaddon Collection of the Barnum and Bailey Circus consists of correspondence, photographs, scrapbooks, and other material collected by business manager Joseph T. McCaddon prior to the 1907 merger of the circus with Ringling Bros.

An open collection of bound Ethiopic manuscripts with texts in Ge'ez and occasionally in Amharic.