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 American Civil Liberties Union (ACLU) is the pre-eminent civil liberties organization in the United States, utilizing litigation, lobbying, and public education to defend and preserve the individual rights and liberties guaranteed by the U.S. Constitution. These records document the administration and work of the ACLU's national office, regional offices, and legal projects, with particular emphasis on the areas of civil rights, children and women's rights, freedom of speech (and all First Amendment questions), and due process, among many others. The records include case files, correspondence, meeting minutes, research files, and files of staff members. Portions of the records (Subgroup 1; Subgroup 2, Series 2, 3, and 4; Subgroup 3, Subseries 5B) have been digitized and are 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The Allison Delarue Collection consists of a draft of Delarue's unpublished autobiography, letters received by Delarue from various friends, associates, and people involved in dance and the theater, and prints, photographs, and objects collected by Delarue relating to ballet and its history.

The Princeton University Facilities Organization is a large and diverse group of departments that support the educational mission of Princeton University in material ways. The collection consists of aerial photographs and digital maps of the Princeton University campus.

Abigail Klionsky is a member of the Princeton University undergraduate Class of 2014 who undertook an oral history project on Jewish student life at Princeton as part of her senior thesis. The collection consists of fifteen transcripts of Klionsky's interviews with Jewish alumni and also includes a copy of a transcript of Henry Morgenthau III's interview with David Frisch in 1979.