The Delafields were avid collectors of family history and family-related memorabilia in the Hudson River Valley region of New York state. This collection consists of the papers of the Delafield family and related families, most prominently the Livingstons, containing both personal papers and papers collected for their genealogical and historical significance.

The collection illustrates the literary career of American author and professor Carl Van Doren, including typescripts and research notes for his Pulitzer Prize winning biography of Benjamin Franklin. The collection also contains various documents, including Van Doren's will, souvenirs, memorabilia, photographs, clippings, and printed material, as well as legal papers and correspondence dealing with his participation in several lawsuits involving copyright infringement.

Anton Tedesko (1903-1994) was a German-born American structural engineer, best known for his extensive work in reinforced thin-shell concrete design, often on significant industrial, institutional, and government construction projects, largely in the United States during World War II and the Cold War. The papers consist of Tedesko's writings, correspondence, calculations, engineering drawings and designs, personal papers, photographs, reference materials and technical journals, along with some film reels and glass lantern slides, including materials from his time at the Dyckerhoff & Widmann and Roberts & Schaefer firms, representing his professional work and activities from the 1920s through the 1990s.

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 collection illustrates the literary and military careers of James Gould Cozzens in manuscripts, notebooks, diaries (1920-1970), war journals (1911-1945), correspondence (general, family, and business), documents, memorabilia, clippings, and photographs.

Consists primarily of professional correspondence of literary scholar, author, and novelist Ralph Freedman (1920-2016).

George F. Kennan (1904-2005) was a diplomat and a historian, noted especially for his influence on United States policy towards the Soviet Union during the Cold War and for his scholarly expertise in the areas of Russian history and foreign policy. Kennan's papers document his career as a scholar at the Institute for Advanced Study and his time in the Foreign Service, and include his correspondence files, published and unpublished writings, and personal files.

The Paul Frankl Papers consists of correspondence, writings, notebooks, photographs, and printed matter of the Czech art historian, architect, author, and educator Paul Frankl (1878-1962). A native of Prague, Frankl came to the United States in 1938, and shortly afterwards settled in Princeton, New Jersey, where he was associated with the Institute for Advanced Study.

The Papers of James F. Hoge, journalist, editor and foreign affairs expert, chronicle his contributions to foreign affairs issues while he was the editor of Foreign Affairs magazine from 1992-2010 and the Peter G. Peterson Chair at the Council on Foreign Relations. Hoge's intellectual contributions to foreign affairs discussions are in the form of speeches, articles, commentaries, book reviews, correspondence and interviews with contemporary experts or participants in the foreign affairs issues of the time.

WPRB is the student-operated FM radio station of Princeton University, providing music and live sports broadcasts to the Princeton campus community and surrounding areas. The records consist of various materials which document the origins and development of WPRB, including constitutions, by-laws, photographs, membership lists, clipped articles, board minutes, correspondence, and financial reports.

Consists primarily of original artwork created by Charles E. Fehon, Princeton Class of 1950, during the process of designing sets and costumes for Princeton theater groups including Theatre Intime, University Players, and the Triangle Club.

Harry Dexter White (1892-1948) was an economist with expertise in international finance and monetary issues. White served in the United States Department of the Treasury from 1934 to 1946, rising to the position of Assistant Secretary of the Treasury, and was one of the principal architects of the Bretton Woods agreements in 1944 that established the International Monetary Fund and the World Bank. White's papers document his service in the Department of the Treasury and include correspondence and memoranda, notes, and writings.

The Triangle Club Records consists of records of the Club and its predecessor, the Princeton College Drama Association, for productions performed by these organizations from 1883 to the present. Materials include correspondence, playbills, scripts, scores, newspaper clippings, posters, scrapbooks, and photographs as well as audio-visual recordings.

This collection consists of the papers of photography historian, professor, author, and curator Peter C. Bunnell, spanning his student and professional career from the 1950s to 2018. Materials include subject files, correspondence, photographs, publications and drafts of publications, among other items.

Brooke R. Stoddard, Class of 2005 is a member of the University Press Club (UPC), who wrote a senior thesis about the history of the UPC in 2005. The collection contains correspondence and interviews with Princeton UPC alumni that Stoddard used for his research, as well as copies of clippings and printed materials.

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.

A collection of correspondence, sketches, proofs, notes, personal writing, photographs, and legal documents related to the life and careers of P. L. Travers (1899-1996) and Mary Shepard (1909-2000).

The Freedom House Records document the organization's activities in advocating freedom and democracy throughout the world. The records provide an invaluable insight into an organization that evolved from an answer to Hitler's Braunhaus to a diligent monitor of freedom worldwide.

This collection consists of works, lecture note cards, correspondence, an audio tape, and printed matter of American journalist and publicist Glen C. H. Perry (Princeton Class of 1926).

The Georges Florovsky Papers consists of works, correspondence, documents, photographs, and memorabilia of clergyman, teacher and author, Georges Florovsky.