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.

Arthur Cyrus Warner (1918-2007) was an activist in the gay liberation movement, focusing his efforts on legal reform to protect the civil liberties of the gay community. Warner's papers document his involvement in legal reform and other issues pertaining to gay rights. The papers largely consist of legislative and court documents about cases affecting gay civil liberties, and related memoranda, correspondence, and writings.

Tristan E. Beplat (1912-1997) was a New York banking executive with expertise in international banking. He had a significant role in the economic reconstruction of postwar Japan through his work in the Finance Division of the Economic and Scientific Section, General Headquarters, Supreme Commander for the Allied Powers. Beplat's papers document his service in Japan and include memoranda, papers, and reports on the banks and economy of Japan from 1945 to 1948.

The Woodrow Wilson Additional Materials consist of materials that the Seeley G. Mudd Manuscript Library has acquired on Woodrow Wilson since the mid-1990s.

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 2, 3, and 4 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 Derso and Kelen Collection consists of correspondence, writings, published material, and over 900 cartoons and caricatures in varying media ranging from pencil sketches and ink drawings to richly-hued watercolors and limited edition lithographic portfolios created by the Hungarian caricaturists and political satirists Alois Derso and Emery Kelen. The vast majority of the works were produced between 1920 and 1950, the active period of collaboration between Derso and Kelen.

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.

Harlan Cleveland (1918-2008) was a public administrator, ambassador to NATO, and a political scientist. He served in several positions related to the administration of economic aid programs during the 1940s, as an assistant secretary in the State Department and as U.S. ambassador to NATO during the 1960s, and also held positions at three universities and the Aspen Institute. Cleveland's papers document his government service and his work at the Aspen Institute, and include his speech and writings files, as well as correspondence and photographs.

Harold Boies Hoskins was a businessman, diplomat, and educator working in Middle Eastern affairs. This collection consists of correspondence, diaries, notes, photographs, publications, maps, and professional files that document Hoskins' personal and professional activities, as well as the Hoskins family.

Prentice Northup Dean (1897-1981) was a practicing economist for the United States Tariff Commission and the Office of the Secretary of Defense. He also held teaching positions at Princeton University, the University of Pittsburgh, and Buena Vista University. Dean's papers document his service as United States delegate to the meetings of the General Agreement on Tariffs and Trade (GATT) and his years studying at the American University in Beirut, and include correspondence, diaries, documentation of conferences, memorabilia, and newspaper clippings. The papers also include the correspondence, diaries, and manuscripts of his family members May Dershimer née Walter and Martin R. Walter.