The Office of General Counsel, established in 1972, provides legal counsel to officers and departments of the University, and serves as legal representative for the University in litigation, administrative matters, and transactions. The records contain correspondence, memoranda, interview transcripts, administrative material relating to the Office of General Counsel and other departments, legal documents, grant and tax reports, legal briefs, affidavits, depositions, as well as litigation material involving estates, trusts, gifts, University employees, and various individuals and corporations.

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.

Consists of the records of The Hudson Review, one of the most notable and influential American literary quarterlies of the post-World War II era. Reflecting the history of this New York City-based magazine, the bulk of material dates from 1947 to 2014. In addition, there are extensive personal and family papers of founding editor Frederick Morgan (1922-2004), who was also a published poet and translator.

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

George F. Kennan (1904-2005) was a diplomat and a historian, noted especially for his influence on United States policy towards the Soviet Union during the Cold War and for his scholarly expertise in the areas of Russian history and foreign policy. Kennan's papers document his career as a scholar at the Institute for Advanced Study and his time in the Foreign Service, and include his correspondence files, published and unpublished writings, and personal files.

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.

Thomas Burnside Morris graduated from New York University in 1861 with a degree in civil engineering. He was a chief engineer of the Long Island Railroad, 1863; a division chief of the Panama Railroad, 1864-1865; a division chief of the Union Pacific Railroad, 1867-1869; and a division chief of the Northern Pacific Railroad, 1870-1874. He died in Oakland, California, on November 8, 1885. The collection consists primarily of material relating to Morris's role in the construction of the Union Pacific Railroad and the Northern Pacific Railroad.

Charles Ruas is an American author, interviewer, editor, literary and art critic, and French translator, who served as the Director of the Drama and Literature Department for New York's Pacifica radio station WBAI-FM in the late 1970s and interviewed writers for radio broadcast and print, including Toni Morrison, Michel Foucault, Carlos Fuentes, Eudora Welty, Susan Sontag, Truman Capote, Buckminster Fuller, Andy Warhol, Mario Vargas Llosa, and others. Included are photographs and documents on Allen Ginsberg and William Burroughs, the St. Marks poetry project, and avant-garde artists and performers. The papers include transcripts and audiocassette tapes of Ruas's interviews with authors and artists, as well as typescripts and galleys of work by writers Ruas edited, including Marguerite Young, and some related photographs, notes, recordings, and correspondence. There are also some translations and other writings by Charles Ruas, as well as a collection of family photographs and papers documenting the history of his family in Tianjin, China, from the 1860s through the mid-20th century.

Consists of the writings, correspondence, interviews, printed works, and other additional papers of the American educator and author Noël Riley Fitch (1937- ). Also included are a selection of Sylvia Beach papers that Fitch consulted for her book Sylvia Beach and the Lost Generation: A History of Literary Paris in the Twenties and Thirties (1983).