The Alonzo Church Papers consists of the writings, correspondence, notebooks, notes, and subject files of Alonzo Church (1903-1995, Princeton Class of 1924), the renowned mathematical logician who taught at Princeton University from 1929-1967 and the University of California at Los Angeles from 1967 to 1990, and who was editor of the Journal of Symbolic Logic from 1936 to 1979.

Business files, correspondence, photographs, artwork, writings, and clippings of George Segal (1924-2000), 20th-century American sculptor, artist, and photographer active from the late 1950s until 1999. The papers contain photographs taken by and of the artist, correspondence and all business files relating to exhibitions, records of the production of public commissions, writings by and about Segal, audio and visual media, and exhibition catalogs.

An open collection of bound Ethiopic manuscripts with texts in Ge'ez and occasionally in Amharic.

Juan Gelman (1930-2014) was an Argentine poet, translator, journalist, and human rights activist. His papers contain handwritten, typewritten, and printouts of his writings, correspondence, notes, research files, awards and certificates, and personal photographs. A significant portion of the papers feature analog and born-digital investigative files relating to human rights investigations and campaigns Gelman conducted with his spouse, Mara La Madrid, on the forced kidnapping and death of his son and pregnant daughter-in-law, Marcelo Gelman and María Claudia García Irureta Goyena. Also included are files on his search to find his missing granddaughter, Macarena Gelman. Additional materials consist of original drafts and documents related to Juan Gelman's writing; letters; publishing contracts; documents about Juan Gelman's work as a translator; materials related to the campaign to lift the ban on Juan Gelman's entry into Argentina and his return to Buenos Aires; newspaper and magazine clippings related to the ban on Juan Gelman's entry into Argentina, as well as celebrating his return; materials related to Marcelo and Paulina, including photographs of Gelman and the family; works by other writers; and audio cassettes.

Consists of envelopes both used and unused (also known as covers), letters, postcards, documents, postage stamps, and a variety of other philatelic material from around the world as collected and annotated by the Reverend William Hogarth Tower (1871-1950). The collection spans the topics of English Postal History, United States Postal History, War Covers, Philatelic Miscellany, and Franking.

William Jovanovich (1920-2001) was an American publisher, author, and businessman, who led the publishing firm Harcourt Brace Jovanovich from 1954 to 1991, as president and later as chief executive officer. The collection consists of Jovanovich's author and publisher files, including an extensive file on Charles A. Lindbergh, along with correspondence, writings, personal and family papers, memorabilia, and other files documenting his career as a major American publisher in the 20th century, his creative pursuits in fiction and nonfiction, and his interest in Yugoslav literature and textbook publishing.

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 of writings, editorial files, correspondence, teaching materials, and other professional working files of Irish poet John Ennis (1944- ), including drafts of his published poetry and unpublished work from the late 1960s through 2016, editorial files related to anthologies of Irish and Canadian poetry he edited between 2002 and 2009, and materials documenting the activities of the Irish arts organization Poetry Ireland and its journal Poetry Ireland Review from its inception in 1978 through the 1990s.

The Carlos Fuentes Papers consists of personal and working papers of Fuentes (1928-2012), Mexican author, editor, and diplomat, including notebooks, manuscripts of novels and novellas, short stories, plays, screenplays, nonfiction writings, speeches and interviews, translations of fiction and nonfiction, correspondence, juvenilia, drawings, documents, photographs, audiocassettes, videocassettes, papers of others, scrapbooks, clippings, and printed material.

Collection of ephemera relating to the marketing of books, consisting of prospectuses, adverts, catalogs, etc.

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 Jimmy Stewart Collection consists of newspaper and magazine clippings about the life and career of American actor, James Stewart (Princeton Class of 1932). Also included in the collection are film stills and other photographs.

The Radio Scripts Collection consists of typescripts of scripts for various radio programs such as "The Cavalcade of America" (represented by the most scripts), "The Eternal Light," "Books and Authors," "What's New in Books," "Pepper Young's Family," "The Goldbergs," and others.

The Radio Broadcasting Collection consists of typescripts of scripts for "The Cavalcade of America" and "The Bookman" as well as promotional material for the major radio networks, such as ABC, CBS, NBC, the Mutual Broadcasting System, and the Municipal Broadcasting System (WNYC). Included is material regarding the coverage of news during the latter years of World War II and copies of clippings about the Orson Welles broadcast of "The War of the Worlds" in 1938.

This collection contains materials published and distributed by various Catholic Church organizations in Cuba.

This collection contains pamphlets, bulletins, posters, and other miscellaneous items addressing a variety of agrarian issues in Peru, including farming techniques and practices, environmental concerns, land reform, political-economic aspects of agriculture, and the controversy over coca production.

This microfilm contains pamphlet materials published by Christian groups in Guatemala between 1929 and 2001.

This microfilm consists mainly of Catholic religious pamphlets published in Mexico, covering a wide range of subjects such as art, liturgy and catechism, as well as social issues related to women, indigenous groups, youth, and other topics. The bulk of the material was published in the 1980s and after.

This microfilm contains materials published or distributed by Protestant Christian organizations in Cuba. Many are published or printed by independent evangelical groups and distributed by various denominations or churches.

Consists of the personal library of French philosopher Jacques Derrida and members of his household.