Consists of an open collection of photographs by the Istanbul photography firm of Abdullah frères.

Consists of letters received (1958-1974) by Peruvian author Abelardo Oquendo.

Abigail Klionsky is a member of the Princeton University undergraduate Class of 2014 who undertook an oral history project on Jewish student life at Princeton as part of her senior thesis. The collection consists of fifteen transcripts of Klionsky's interviews with Jewish alumni and also includes a copy of a transcript of Henry Morgenthau III's interview with David Frisch in 1979.

Consists of business records relating to the nineteenth-century dry goods (especially cotton) business of Abraham Brinkerhoff in New York City.

Consists of photographic prints, negatives, slides, and contact sheets of images taken by Rabbi A. Bruce Goldman, primarily documenting the southern Civil Rights movement in the United States.

A collection of 74 letters and documents, 1862-1866, concerning the efforts of the French to establish and maintain an empire in Mexico under the rule of the Austrian Archduke Ferdinand Maximilian (1832-1867). Almost all the letters were sent to General Achille François Bazaine.

Consists of 47 letters from F. G. Browne on behalf of the Publishing Department at Chicago-based American publisher A.C. McClurg & Co. to the firm's London literary agent C. F. Cazenove, regarding the sale of American titles in England, financial transactions, and other business matters related to publishing.

This collection consists of personal and professional papers of Adamantia Pollis, professor of political science on the Graduate Faculty of Political and Social Science of the New School for Social Research in New York. Included are drafts of various articles, papers of her students, personal memorabilia and papers, grant proposals, and correspondence.

The Alumni Association of Princeton University organized the conference ¡Adelante Tigres! Celebrating Latino Alumni at Princeton University in the spring of 2017. The conference brought more than 750 alumni and guests to campus to reflect on and engage with not only the memories of Latino alumni but also the current experiences of Latino students at Princeton. The ¡Adelante Tigres! Collection consists of photographs and other records that Princeton alumni created and maintained during their time as Princeton students. Documented in the collection are a range of student activities, including cultural performances (dance and music), activism, reunions, and graduation. These materials were collected as part of the conference of the same name organized by the Alumni Association.

The Adlai E. Stevenson Papers document the public life of Adlai Stevenson (1900-1965), governor of Illinois, Democratic presidential candidate, and United Nations ambassador. The collection contains correspondence, speeches, writings, campaign materials, subject files, United Nations materials, personal files, photographs, and audiovisual materials, illuminating Stevenson's career in law, politics, and diplomacy, primarily from his first presidential campaign until his death in 1965.