Raymond Blaine Fosdick (1883-1972) served as Under Secretary General for the League of Nations (1919-1920) and as President of the Rockefeller Foundation (1936-1948). The bulk of the collection consists of correspondence related to military life during World War I, the formation and activities of the League of Nations, and the administration of the Rockefeller Foundation in the 1920s through 1940s. The collection also contains various writings and personal memorabilia.

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.

The Records of United Service to China, Inc., known from 1941 to 1946 as United China Relief, Inc., document the activities of the organization from the early formation in 1940 to its official consolidation with the American Bureau for Medical Aid to China in 1966. In addition there is a limited amount of material from other Chinese relief agencies that predate the founding of United China Relief / United Service to China. The Records focus on UCR/USC attempts to raise money in the United States, to educate Americans about China and the Chinese people, and to carry on relief work in China. The collection consists primarily of correspondence among the various individuals and agencies involved with UCR/USC, along with other material produced by the agency, such as minutes and publicity material. In addition, the collection includes a series of photographs dealing with China during the 1940s and efforts in the United States to raise money for China during the same period.

David Lilienthal served on the Wisconsin Public Service Commission (1923-1932), as a member of the board of directors (1933-1941) and then chairman (1941-1946) of the Tennessee Valley Authority (TVA), as first chairman (1946-1950) of the Atomic Energy Commission, and, later, in private business as an industrial consultant and chairman (1955) of the Development and Resources Corporation, which was involved with the Khuzestan Program in Iran. This collection consists of the papers of Lilienthal spanning his entire career, including correspondence, reports, articles, speeches, and printed matter.

The Historical Subject Files Collection documents Princeton University history and related topics from 1746 to the present. The collection consists of documents in almost every two-dimensional format: articles, books and booklets, clippings, correspondence, memoranda, non-photographic images, notes, pamphlets, posters, and reports.

The Karl L. Rankin Papers consist of correspondence, writings, memoranda, diaries, scrapbooks, and photo albums kept by Mr. Rankin which span his lifetime and career as an ambassador.

The Hamilton Fish Armstrong Papers consist of correspondence, notebooks, memoranda, material from 1945 United Nations Conference on International Organization, writings especially in relation to Peace and Counterpeace and Tito and Goliath, diaries, scrapbooks, and photographs. The papers document Armstrong's career as editor of Foreign Affairs, his participation in the activities of the Council on Foreign Relations, and his professional involvement and interest in foreign policy from World War I through the 1970s. Included is correspondence with many well known political and literary figures of the time period. Some materials of a personal nature are included but the bulk of the papers relates to Armstrong's professional life. The papers also document Armstrong's participation in many philanthropic activities associated with Yugoslavia.

Jacob Viner (1892-1970) is considered one of the greatest economists of the twentieth century. His career was spent at the University of Chicago and Princeton University, and he also frequently served as an advisor to the United States government. His primary academic interests included international economics, international economic relations, and the history of economic thought, but his investigations ranged across many disciplines. Viner's papers document his scholarship, as well as his government service, and include correspondence, manuscripts, reports, and research materials.

John Foster Dulles (1888-1959), the fifty-third Secretary of State of the United States for President Dwight D. Eisenhower, had a long and distinguished public career with significant impact upon the formulation of United States foreign policies. He was especially involved with efforts to establish world peace after World War I, the role of the United States in world governance, and Cold War relations between the United States and the Soviet Union. The Dulles papers document his entire public career and his influence on the formation of United States foreign policy, especially for the period when he was Secretary of State, and include his correspondence files, as well as his writings, reports, and memorabilia.

Ferdinand Eberstadt (1890-1969) was a prominent Wall Street investment banker who also served in several government posts throughout his career. During World War II, he organized the production and distribution of supplies to the United States military through his work with the Army-Navy Munitions Board and the War Production Board, and he was subsequently involved in plans for the reorganization of the armed services and in the development of post-war economic policies. The Eberstadt papers primarily document his extensive career in public service to the United States related to defense and the economy, as well as his career as an investment banker and his personal life, and include correspondence, reports, his writings, and his personal papers.