The Robert Judson Clark Papers consist of records pertaining to the architecture and grounds of Princeton University's campus and the surrounding area, compiled by professor emeritus Robert Judson Clark of the Princeton University Department of Art and Archaeology.

Consists of personal and professional correspondence between Lucius Hopkins Miller (Princeton Class of 1897), a professor in Princeton's Department of Religion, and Princeton colleagues, including Woodrow Wilson, fellow educators at other institutions, and publishers, such as Henry Holt.

The collection consists of autobiographical material and other works such as manuscripts of books, sermon outlines, prayers, articles, and essays; correspondence with family during the time Lowrie was in Europe (especially letters to his mother), but also correspondence with friends and colleagues, particularly Howard A. Johnson, a long-time friend and executor of his estate; photographs of religious art presumably used for his books; documents including certificates and agreements with book publishers; printed matter including reprints of published works; and writings and documents created by Howard A. Johnson and other Kierkegaard scholars.

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.

A writer of fiction and nonfiction, Philip Gordon Wylie (Princeton Class of 1924), authored hundreds of short stories, articles, serials, syndicated newspaper columns, novels, and works of social criticism. His collection consists of manuscripts and correspondence representing his life work, ranging from Dormitory Ditties, published during his college days (circa 1920), to The End of the Dream, a novel published posthumously in 1972.

The Brandt & Brandt Contract Files consists primarily of contract files from Brandt & Brandt, the New York City literary agency, for published works where the rights have reverted to the author. Some represented authors are Margaret Banning, Bessie Brewer, Raymond Chandler, Carlos Fuentes, Arthur Machen, Mary McCarthy, Derek Patmore, Edna St. Vincent Millay, and Wallace Stegner. The Fuentes material (1967-1995) is extensive and covers a fuller range of literary agency activities.

The Legal Case Files series documents the ACLU's involvement in litigation, ranging from files collected on cases for research purposes to records of cases they were significantly involved in. The records include documents filed with the court, correspondence, lawyer's notes, depositions and expert testimony, transcripts of the trials, newspaper clippings, and research materials on the background of the cases and legal precedents.

Consists of the business records of Gerard B. Lambert (Princeton Class of 1908), including correspondence, bills, invoices, and financial statements, which reflect his position as head of the Lambert Pharmacal Co. of St. Louis, developers and manufacturers of Listerine.

The Class Records consist of a diverse set of materials documenting the history and activities of Princeton University classes during their time as undergraduates and as alumni. In the collection are correspondence, newsletters, publications, photographs, and memorabilia, all of which pertain to a particular Princeton University graduating class and its members.

Founded in 1930 as a cooperative enterprise of the History, Politics, and Economics Departments of Princeton University at the undergraduate level, the Princeton School of Public and International Affairs has since grown into one of the nation's foremost centers for professional public policy education, offering degrees on both the undergraduate and graduate level and contributing original research in a wide variety of fields related to public and international affairs. The records document the school's founding and development and include correspondence, subject files, publications, and audiovisual materials.

W. Willard (Bill) Wirtz was a lawyer, an arbitrator, a law professor, and served as undersecretary and secretary of labor under Presidents Kennedy and Johnson. He was a speechwriter for, and close advisor to, Adlai Stevenson from 1952 to 1960. The W. Willard Wirtz Collection on Adlai Stevenson documents Stevenson's campaigns for president in 1952 and 1956, as well as Stevenson's political activities in 1960 and in between campaigns. Because Wirtz was a speechwriter in 1952, in charge of speech content in 1956, and a close advisor and occasional speechwriter at other times, this collection most strongly documents the campaign activities of drafting speeches and fine-tuning campaign policy.

General Charles T. Lanham (1902-1978), a decorated WWII General and friend of author Ernest Hemingway, was an accomplished author, trainer, and after retiring from the military had a successful second career as a public relations executive. The Charles T. Lanham Papers document the general's WWII and post war military service and his private sector employment with several corporations. The papers contain correspondence, scrapbooks, photographs, journals, speeches, and legal documents.

The Woodrow Wilson Foundation was an organization formed in 1921 in New York City for the "perpetuation of Wilson's ideals" through research grants and publications. The collection consists of the administrative records of the Woodrow Wilson Foundation, the bulk of which are financial records, correspondence, notes, committee minutes, press releases, research proposals, and awards dating from 1921-1963. The collection also includes a small amount of audivisual material, photographs and sound recordings.

The Chess Papers of Eugene B. Cook consists of correspondence, copies of classic chess manuscripts and diagrams, and memorabilia of Cook (Class of 1850), as well as notes and printed matter of the Appalachian Mountain Club.

Established in 1904 as the Department of Geology, and later known as the Department of Geological and Geophysical Sciences, the Department of Geosciences has grown to become the center for the study of Earth, atmospheric, oceanographic, and environmental sciences at Princeton. The records document the department from its 19th-century origins to the recent past with departmental files, faculty files, faculty meeting minutes and visual materials.

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.

The Woodrow Wilson Collection consists of Wilson holdings which have been acquired by the Princeton University Library Special Collections gradually over many years by purchase and gifts from many sources. The collection is rich in material prior to Wilson's presidential years, although it is not limited to this period; researchers will find materials documenting both the public and private life of Woodrow Wilson. Various types of information written by or about Wilson are present in the collection, including manuscripts, addresses, articles, correspondence, telegrams, legal documents, booklets, pamphlets, photographs, portraits, cartoons, newspapers and scrapbooks.

This collection contains records relating to Princeton University presidents from Jonathan Dickinson, who served in this capacity from 1746 to 1747, to Harold W. Dodds, whose tenure spanned the period from 1933 to 1957. It brings together both primary and secondary materials pertaining to individual presidents as well as the office of the president itself. The Princeton University Presidents' Records document the lives and accomplishments of each president with varying completeness, as well as the functions of their office.

Consists of works, correspondence, photographs, a commonplace book, a genealogy, and printed matter of John Burgess (Princeton Class of 1905) and his wife, Stella Fisher Burgess, poet and translator.

Eleanor L. Dulles (1895-1996) was an economic specialist for the U.S. State Department from 1942 to 1962. She was most prominently known for her work in rebuilding West Berlin from 1952 to 1960. Dulles's papers document her political writings after her retirement from the State Department in 1962, as well as her fundraising work with the John Foster Dulles Memorial Fund, and include drafts of her articles and books, topical files, and some correspondence.