Consists of over 3000 miscellaneous items of primarily American literary, historical, and political figures, including business and personal letters, manuscripts, drawings, photographs, and official documents.

The Princeton University Library is one of the foremost university libraries in the world. With collections totaling over 12 million volumes, manuscripts, and nonprint items spread across fifteen buildings, the Princeton University Library system serves not only the Princeton University community but the world at large. The Princeton University Library Records consist of the files of the University Librarian and other Library administrators and departments, as well as of the Friends of the Princeton University Library. Materials in the record group include correspondence, reports, publications, clippings, minutes, press releases, proposals, statistics, photographs and other audiovisual materials, and microfilm. The records document the Library's day-to-day operations as well as its involvement with other departments on campus, other college and university libraries, and library users.

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

The Historical Subject Files Collection documents Princeton University history and related topics from 1746 to the present. The collection consists of documents in almost every two-dimensional format: articles, books and booklets, clippings, correspondence, memoranda, non-photographic images, notes, pamphlets, posters, and reports.

The Princeton University Publications collection contains issues of nearly 150 different periodicals published by the university and related organizations, as well as a few items published by others about the university, that have not been cataloged individually.

The General Manuscripts Collection consists of manuscripts and small collections of papers and records which are related in some way to the history of Princeton University. While most documents in the General Manuscripts collection were produced by alumni or student organizations, there are several documents produced by trustees, faculty, and other members of the University community.

The Student Correspondence and Writings Collection contains original materials from the university archives that document aspects of student life as experienced by students at Princeton University.

This collection contains over 1,800 items including mugs, pipes, canes, banners, hatbands, pins, jewelry, and other material collected by many individuals that document reunions, sporting events, student traditions, and other aspects of University life.

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

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.

Consists primarily of material relating to Ohio farmer Luzern Humphrey's overland journey from Kanesville, Iowa, to the Oregon Territory in 1852, his life there through 1853, and his return to Iowa in 1854, including his journal and 51 letters to his wife in Ohio. Also included are some papers relating to the family of William Miller, the founder of Adventism.

This collection contains various songbooks printed for Princeton University including bound volumes and small booklets. Among the former is a nearly complete series of the Carmina Princetonia. There is also a second series dedicated to sheet music comprising various songs written for Princeton University, including many pieces written by alumni.

The Campus Life series contains photographs documenting aspects of life as experienced by students, faculty, and staff at Princeton University.

This collection consists of essays, notes on readings, laboratory notebooks, drawings and similar academic work products created by Princeton students.

The collection consists of class yearbooks that are published to mark class reunions and to provide updates on the lives of alumni.

Each volume or set of volumes in the Princetoniania Collection is represented in the Princeton University Library Main Catalog, which is searchable by title, author, or call number.

This collection contains printed athletic programs for football, baseball, basketball, and ice hockey and other sports, with football predominant. The programs, especially the earlier ones, provide a sweeping view of Princeton's athletic history, documenting not only team statistics and scores, but the players, the venues in which the teams competed, social aspects of advertising, and the evolution of the various games.

The Eating Club Records consist of manuscript and printed material from almost all the clubs. The records of individual eating clubs have been combined with material on Eating Clubs in general. This material includes correspondence, reports, minutes, financial statements, constitutions, and miscellaneous records. Printed material in the records consist of newspaper and magazine clippings, club membership books, and club histories.

Concerts and recitals by Princeton University's many musical clubs and organizations, as well as performers from outside the University have been standard fare on capus since the 19th century. The collection consists of reports, concert programs, posters, articles, schedules, flyers, correspondence, and photographs pertaining to performances of music on the Princeton University campus and performances elsewhere by University-affiliated groups.

The dissertations represent doctoral work in over forty graduate departments. They date from 1877 to the present and they are arranged chronologically.