Consists of correspondence, documents, photographs, and printed material relating to the professional career and personal life of American psychologist James Mark Baldwin (Princeton Class of 1884).

George Stanley McGovern was a Congressman (1957-1961), a U.S. Senator (1963-1981), and a Democratic presidential nominee known for his strong liberal stance, particularly during the Vietnam War. This collection contains legislation files, campaign materials, correspondence, speech texts, schedules and invitations, travel files, patronage files, subject files, photographs, and audiovisual materials documenting McGovern's activities in the House of Representatives and in the U.S. Senate, as well as his time as Director of Food for Peace.

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.

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.

Harold Raymond Medina (1888-1990) was a noted jurist, Princeton alumnus, and creator of a New York State Bar preparation course. This collection includes legal records, personal and professional correspondence, photographs, audio recordings, and teaching materials; in aggregate, they offer a substantial record of Medina's life and work.

Granville Austin (1927-2014) was an independent scholar and political historian known for his work on India's constitution. The collection is composed of Granville Austin's research files on India, mostly in the form of published articles or book excerpts that Austin collected and often annotated. The majority of the research files, notes and drafts relate to Austin's second book, Working a Democratic Constitution, but some files relate to his first book, The Indian Constitution: Cornerstone of a Nation. Topics documented in the collection include the Indian constitution, center-state relations in India, Indian politicians and political parties, U.S. foreign relations with India, cases tried before the Indian Supreme Court, and various other subjects related to India's political and legal systems. Research material on the Middle East, material relating to Austin's other writings, professional and personal correspondence, including State Department files, as well as U. S. Information Service photographs and negatives compose additional parts of the collection.

The Eugene M. Becker Papers consist primarily of planning documents, position papers, articles, addresses, correspondence, and scrapbooks which document Becker's career in public service as Budget Director of New York City under Mayor John Lindsay; Assistant Secretary of the United States Army during the Johnson and Nixon administrations; and Chairman of the Advisory Board of the Mentor Group, a research institute focusing on constitutional, legal-economic comparative studies and sponsor of the Forum for US-EU Legal-Economic Affairs, the Forum for Russian Legal-Economic Affairs, and the Central European Forum for Legal-Economic Affairs.

Walter E. Spahr (1891-1970) was a professor of economics at New York University who was a strong supporter of the gold standard. Spahr was a founding member and officer of the Economists' National Committee for Monetary Policy, which advocated for sound monetary policies for the United States. Spahr's papers document his scholarship and include his writings and related correspondence.

The Rubber Development Corporation, Amazon Division Records (1942-1945) reflect Philip H. Williams' interests and concerns as manager of the Manaos Office in Brazil. As manager, Williams was called upon to play various roles including diplomat, manager and administrator. His fellow staff members were C. Homer McDuff–Acting General Manager, Mr. Swain–Accounting Department, H. A. Beck–Acting Manager, Manaos Office, George A. Seaman–Assistant to Mr. Williams, John Herman Neumann–Manager of Amazon Division and Douglas H. Allen–President of the Rubber Development Corporation. The bulk of this collection consists of copies from William's personal files. The majority of the collection is composed of correspondence, memoranda, reports, charts, photographs and newspaper clippings.

Consists of papers of Scott relating, for the most part, to his positions as chairman of the General Munitions Board during World War I, co-founder and chairman of the War Industries Board (1917), chief of the Cleveland Ordnance District (1924-1928), and adviser to the Army Industrial College (1925).

Harold Sprout was a professor of Politics at Princeton University. Consists of Sprout's collection of copies of papers in the Herbert Hoover Presidential Library (Iowa) pertaining to the London Naval Conference of 1930 which resulted in a treaty for the limitation of naval armaments and the exchange of information concerning naval construction between the United States, Great Britain, and Japan.

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.

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.

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.

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.

Albert O. Hirschman (1915- ) was a leading scholar in the field of economic development whose work focused on Latin America but encompassed the globe. He was a professor at Yale, Columbia, Harvard, and the Institute for Advanced Study in Princeton, New Jersey. Hirschman's papers document his scholarship on economic development and his academic career and include his correspondence written while he was at the Institute for Advanced Study, his writings, and his research notes and materials, especially related to his work in Latin America and for the World Bank.

Richard Ullman (1933-2014) was a scholar of U.S. foreign policy and international affairs. The collection documents Ullman's career as an academic, his service with the U.S. State Department and the Council on Foreign Relations, and his process of researching and publishing the three-volume Anglo-Soviet Relations, 1917-1971.

William M. Leary (1934-2006) was an aviation historian who wrote his doctoral thesis on the politician H. Alexander Smith. The collection contains materials that Leary consulted in the process of writing his thesis, along with a manuscript of the thesis.

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.

Consists mainly of printed matter collected by Strong (Princeton Class of 1922) relating to the field of strategic and scientific intelligence and espionage.