Consists of drafts, manuscripts, research files, correspondence, artwork, and other related materials of American musician, poet, writer, artist, and activist Ed Sanders.

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.

Alpheus T. Mason taught in the Dept. of Politics at Princeton University beginning in 1925 and authored a number of legal works as well as biographies of Supreme Court justices Harlan Fiske Stone and Louis D. Brandeis. This collection consists of papers of Mason, including material relating Stone, Brandeis and Woodrow Wilson.

Feighan was a congressman from Ohio. Consists of papers of Feighan covering his years in Congress (1943-1971).

The McCarter Theatre was conceived as a permanent home for the Princeton University Triangle Club. McCarter began as a booking theater but ultimately moved into producing its own performances. The McCarter Theatre records document the history of the McCarter Theatre, including administration, performances and productions, and the building itself.

Hadley Cantril was a psychologist who studied propaganda and public opinion research. The collection includes bound Hadley Cantril Diaries, poll results and reports on Polls During World War II, correspondence, and other reports.

Consists primarily of correspondence, travel diaries, and photographs of former Princeton University comparative literature professor Clarence Brown (1929-2015) relating primarily to his scholarship on Russian writers Osip Emilyevich Mandelstam (1891-1938) and Nadezhda Mandelstam (1899-1980). Correspondence with writer and illustrator Guy Davenport as well as with poet W. S. Merwin, Princeton Class of 1948, is also included.

This collection consists of papers of Diego, Cuban poet, author, and translator. Included are correspondence between Diego, his wife, various friends and other writers.

The collection contains representations of Nassau Hall and other historic buildings of Princeton University. Most of them are reproductions, some photographic.

Consists of drafts of speeches, articles, and other writings; correspondence; obituaries and tributes; photographs; and interviews of Robert H. Taylor, a collector of books and manuscripts of English and American literature.