The Princeton University Library is one of the foremost university libraries in the world. With collections totaling over 12 million volumes, manuscripts, and nonprint items spread across fifteen buildings, the Princeton University Library system serves not only the Princeton University community but the world at large. The Princeton University Library Records consist of the files of the University Librarian and other Library administrators and departments, as well as of the Friends of the Princeton University Library. Materials in the record group include correspondence, reports, publications, clippings, minutes, press releases, proposals, statistics, photographs and other audiovisual materials, and microfilm. The records document the Library's day-to-day operations as well as its involvement with other departments on campus, other college and university libraries, and library users.

Consists of selected correspondence and scientific papers of Martin Schwarzchild, a German-American astronomer and Princeton professor who pioneered the use of balloon-mounted instruments to study stellar structure and evolution.

Princeton University's School of Engineering and Applied Science is an academic unit which since 1921 has overseen the curriculum and administration of the University's academic departments in the engineering sciences. The records document the activities of the School of Engineering and its subordinate departments and programs from its origins in the late 19th century until the present, and consist of correspondence, subject files, research reports, photographs, and other audiovisual materials.

The Early Photographs of Greece Collection is an open collection for general photographs of sites and subjects in Greece. Included are panoramic photographs of the Parthenon, Athens, and Smyrna, along with other photographs of Greece.

Consists of extensive manuscripts, documents, and correspondence of American poet and literary critic Allen Tate, one of the leading members of the Fugitive and Southern Agrarian literary movements.

This collection consists of virtually all of the surviving records of Scribners (1846-1984), the New York City publisher, and reflect aspects of all of its publishing functions (soliciting and acquiring books, editing manuscripts, printing and manufacturing books, advertising and publicizing publications) and business concerns (book and magazine publisher, retail bookstore, subscription books department, educational books department, printing press and bindery, rare books department). Included are files of editorial correspondence with authors, manufacturing records about book production, advertising records, author contracts, a collection of dust jackets, book catalogs, ledgers, and photographs. While there are gaps in most of the series or record groups, there are records representative of all of the firm's former permutations: Baker & Scribner, Charles Scribner & Co., Scribner, Armstrong & Co., Scribner, Armstrong & Welford, Scribner & Co., Charles Scribner's Sons. The bulk of the material (1880s-1970s), however, dates from the period when the publisher bore its most familiar name, "Charles Scribner's Sons." There is also material related to early publishers' organizations and international copyright.

The Louis Fischer Papers include correspondence, interviews, articles and notes, lectures and speeches, photographs, and audiovisual materials that document his life as a journalist, writer, and commentator on international affairs. They also include the papers of his wife, Bertha Markoosha Fischer, an author in her own right, as well as family correspondence and papers. In the latter part of his life Fischer was affiliated with of the Institute for Advanced Study (1959-1961) and Princeton University's Woodrow Wilson School of Public and International Affairs (1961-1969).

This collection contains correspondence, speeches, lecture notes, writings, and photographs of Edward S. Corwin, a noted constitutional scholar who taught at Princeton University for much of his academic career. Nationally-known and widely published, Corwin consulted with many other academics as well as politicians involved with constitutional issues, most notably when he publicly supported Franklin D. Roosevelt's Supreme Court reorganization ("court packing") plan.

Consists of a photocopied duplicate archive of the original Albert Einstein Archive at Hebrew University in Jerusalem, divided into scientific and non-scientific sections, including published and unpublished manuscripts, articles, lectures, notebooks, notes, travel diaries (1925-1933), family papers, and correspondence.

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.

The Allen W. Dulles Papers contains correspondence, speeches, writings, and photographs documenting the life of this lawyer, diplomat, businessman, and spy. One of the longest-serving directors of the Central Intelligence Agency (1953-1961), he also served in a key intelligence post in Bern, Switzerland during World War II, as well as on the Warren Commission.

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 Council on Foreign Relations is a nonprofit, nonpartisan research and national membership organization dedicated to promoting improved understanding of international affairs and to contributing ideas to United States foreign policy. The Meetings Series documents the work of the Council's Meetings Department, including administrative issues, such as correspondence with speakers, attendance records, and the non-attribution rule, as well as the records of the actual meetings themselves.

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.

The American Civil Liberties Union Records, The Roger Baldwin years, document the activities of the ACLU from 1917 through 1950. The files contain materials on conscientious objection, freedom of speech, academic freedom, censorship, and labor concerns. The files reflect work on litigation, advocacy, and public policy. Materials include correspondence and newspaper clippings. Subgroup 1 has been digitized in its entirety 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.

Consists of the records of The Hudson Review, one of the most notable and influential American literary quarterlies of the post-World War II era. Reflecting the history of this New York City-based magazine, the bulk of material dates from 1947 to 2014. In addition, there are extensive personal and family papers of founding editor Frederick Morgan (1922-2004), who was also a published poet and translator.

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 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.

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.