The Allen Family Burma Collection documents two generations of British aristocrats in colonial Burma, and consists of two diaries, dating from 1889 to 1890, and two scrapbooks, dating from 1781 to 1935. In total, the collection is extensive; within the scrapbooks are nearly six hundred items, including photographs, newspapers clippings, letters, and ephemera. As a group, this collection gives a great insight into colonial life in Burma immediately following Burma's incorporation into the British Empire.

The Allen W. Dulles Papers contains correspondence, speeches, writings, and photographs documenting the life of this lawyer, diplomat, businessman, and spy. One of the longest-serving directors of the Central Intelligence Agency (1953-1961), he also served in a key intelligence post in Bern, Switzerland during World War II, as well as on the Warren Commission.

The Allison Delarue Collection consists of a draft of Delarue's unpublished autobiography, letters received by Delarue from various friends, associates, and people involved in dance and the theater, and prints, photographs, and objects collected by Delarue relating to ballet and its history.

This collection consists of offprints of articles written by Princeton alumni and faculty; however, in some instances the articles are written about an individual alumni or faculty member. The offprints generally consist of journals, published articles, speeches, lectures, sermons, memorials, and articles from scientific journals and magazines.

The Alumni Association of Nassau Hall, Princeton's first official organization of alumni, was founded on commencement day 1826. The collection consists primarily of administrative materials such as correspondence, meeting minutes, notebooks and reports belonging to both national and regional associations and their committees, most from the first half of the 20th century. Also contains newsletters, alumni directories, scrapbooks, reunion-related ephemera, photographs, and materials documenting reunions and alumni organization activities from the late 19th century forward.

The American Civil Liberties Union (ACLU) is the pre-eminent civil liberties organization in the United States, utilizing litigation, lobbying, and public education to defend and preserve the individual rights and liberties guaranteed by the U.S. Constitution. These records document the administration and work of the ACLU's national office, regional offices, and legal projects, with particular emphasis on the areas of civil rights, children and women's rights, freedom of speech (and all First Amendment questions), and due process, among many others. The records include case files, correspondence, meeting minutes, research files, and files of staff members. Portions of the records (Subgroup 1; Subgroup 2, Series 2, 3, and 4; Subgroup 3, Subseries 5B) have been digitized and are available for members of the Princeton community to view here. To view the database from outside Princeton University, please see the Guide to the American Civil Liberties Union Records.

The American Civil Liberties Union (ACLU) is the pre-eminent civil liberties organization in the United States, utilizing litigation, lobbying, and public education to defend and preserve the individual rights and liberties guaranteed by the U.S. Constitution. These records document the administration and work of the ACLU's national office, regional offices, and legal projects, with particular emphasis on the areas of civil rights, children and women's rights, freedom of speech (and all First Amendment questions), and due process, among many others. The records include case files, correspondence, meeting minutes, research files, and files of staff members. Subgroup 3, Subseries 5B (Southern Regional Office) has been digitized and is available for members of the Princeton community to view here. To view the database from outside Princeton University, please see the Guide to the American Civil Liberties Union Records.

The Legal Case Files series documents the ACLU's involvement in litigation, ranging from files collected on cases for research purposes to records of cases they were significantly involved in. The records include documents filed with the court, correspondence, lawyer's notes, depositions and expert testimony, transcripts of the trials, newspaper clippings, and research materials on the background of the cases and legal precedents.

The Project Files series contains the records of twelve of the ACLU's projects, which each addressed an area of civil liberties violations. Project records typically consist of case files, research files, and project publicity and correspondence. The best documented projects are the Children's Rights Project and Women's Rights Project, and to a lesser extent the Arts Censorship Project, Capital Punishment Project, and Reproductive Freedom Project.

The bulk of the American Minstrel Show Collection consists of advertisement material promoting minstrel performances from the 1850s through the 1920s. The collection includes broadsheets, posters, newspaper clippings and programs, as well as pictures and photographs of minstrel show performers. In addition, a small portion of the collection contains sheet music and song and joke books.

The American Whig Society (1769-1941) served as a major political, debating, and literary force both on the Princeton campus and throughout the nation. The Whig records consist primarily of minutes, financial records, and correspondence of members.

Ananda K. Coomaraswamy was a noted art historian and champion of Ceylonese and Indian culture. This collection covers a broad spectrum of Ananda K. Coomaraswamy's work in the fields of art history, philosophy, religion, and social criticism.

The Andre De Coppet Collection represents the American history-related collecting activities of American broker and collector Andre De Coppet (Princeton Class of 1915). There are numerous manuscripts, personal letters, documents, and printed material from three main periods: the Revolutionary War, the Federal Period, and the Civil War.

This collection consists of virtually all of the surviving records of Scribners (1846-1984), the New York City publisher, and reflect aspects of all of its publishing functions (soliciting and acquiring books, editing manuscripts, printing and manufacturing books, advertising and publicizing publications) and business concerns (book and magazine publisher, retail bookstore, subscription books department, educational books department, printing press and bindery, rare books department). Included are files of editorial correspondence with authors, manufacturing records about book production, advertising records, author contracts, a collection of dust jackets, book catalogs, ledgers, and photographs. While there are gaps in most of the series or record groups, there are records representative of all of the firm's former permutations: Baker & Scribner, Charles Scribner & Co., Scribner, Armstrong & Co., Scribner, Armstrong & Welford, Scribner & Co., Charles Scribner's Sons. The bulk of the material (1880s-1970s), however, dates from the period when the publisher bore its most familiar name, "Charles Scribner's Sons." There is also material related to early publishers' organizations and international copyright.

Henry Holt was a prominent publisher in the nineteenth and twentieth centuries. The collection consists of correspondence and manuscripts of authors published by the company, various bookkeeping records, and a collection of photographs, publicity materials, and clippings about Robert Frost.

Consists of letters, mostly autograph, from twenty-one United States Supreme Court justices, collected by Edward Ambler Armstrong and Richard Kaines.

Consists of selected correspondence, documents, and related material by and about Arnold Guyot, the Swiss-born American geologist, geographer, and educator whose extensive meteorological observations led to the founding of the U.S. Weather Bureau.

Consists of works, correspondence, financial records, photographs (including tintypes), a map, glass lantern slides, and printed matter of American lawyer and Far East traveler Arthur Collins Maclay.

The Arthur Cort Holden Papers consists chiefly Holden's personal and professional papers, accumulated during his life (1890-1993) as an architect and active Princeton University alumnus. Also included are photographs, the papers of friends and family members, and miscellaneous printed matter dating from the 1840s to the 1990s.

Arthur Cyrus Warner (1918-2007) was an activist in the gay liberation movement, focusing his efforts on legal reform to protect the civil liberties of the gay community. Warner's papers document his involvement in legal reform and other issues pertaining to gay rights. The papers largely consist of legislative and court documents about cases affecting gay civil liberties, and related memoranda, correspondence, and writings.