The Morris L. Parrish Collection of Victorian Novelists, consisting of the library of books, manuscripts, photographs, artwork, and ephemera as collected by Morris Longstreth Parrish, Class of 1888, came to Princeton University in 1944 as a bequest. This finding aid focuses on Parrish's original collection of manuscripts, both bound and unbound, and includes his correspondence (related to his collecting activities) and letters both to and from many of the Victorian authors, as well as the manuscript and related (non-book) items given to and/or acquired for the collection by the Princeton University Library in subsequent years.

The Cameron Family Papers consist primarily of the correspondence and writings of former Princeton University professors Henry Clay Cameron (1827-1906) and his son, A. Guyot Cameron (1864-1947), with some correspondence relating to Henry C. Cameron's wife, Wilhelmina "Mina" Louise Cécile Chollet (1832-1908). There is also a significant amount of Cameron family photographs as well as some documents, printed matter, and ephemera relating to Princeton University. Famed Swiss-American geologist, geographer, and Princeton professor Arnold Henry Guyot (1807-1884), a relative of the Cameron family through marriage, is also represented in the collection through classroom maps, correspondence, a journal, and printed articles and lectures by and about Guyot. Most of the materials in the collection are professional in nature.

The Department of Facilities at Princeton University is responsible for the construction, maintenance, renovation, and financial management of the buildings and properties owned by the university. The Department of Facilities records document the daily activities of the department and its numerous divisions through blueprints, photographs, correspondence, memos, sketches, contracts, ledgers, tax returns, incorporation papers, by-laws, annual reports, financial statements, newspaper clippings, booklets, and meeting minutes.

The Office of the Registrar is the administrative office of Princeton University responsible for the collection and maintenance of the academic records of the student body, as well as the establishment of course and examination schedules and the collection of fees related to matriculation and registration. The records contain the academic records of individual students, subject files on topics related to admissions and matriculation, statistical reports, and other official documents issued by the Office of the Registrar.

The Princeton University Library Collection of Historical Subject Files, Grounds and Buildings contains information relating to the buildings, grounds, and architects of Princeton University. The collection also includes information on the development of the campus and the various chronologies of construction and land acquisition that have been gathered.

Consists of material relating to the American author Conrad Richter, including manuscripts, writing notebooks, notes, and galley proofs for several of his novels and other writings. Includes a substantial amount of personal and professional correspondence, as well as photographs.

Consists primarily of Carlos Baker's working papers and biographical files used in preparation of his biography Ernest Hemingway: A Life Story (1969). This was the fourth book on Hemingway written or edited by Baker (1909-1987), a Princeton professor and author. Also present are manuscripts for a novel and book of poetry by Baker, unrelated to his work on Hemingway.

This collection, which consists primarily of correspondence but also includes diaries, official and legal documents, ephemera, and photographs, largely relates to Samuel Comfort (1837-1923), a U.S. Civil War veteran, diplomat, inventor, and foreign representative for the Standard Oil Company in Europe and India. Documentation of Comfort's Civil War experience is particularly robust. To a lesser extent, the collection documents the family of Comfort's daughter Emma Walraven Comfort (1869-1954) and her husband, Harry Maule Crookshank (1948-1914), a distinguished physician who served as British Controller-General of the Daira Sanieh Administration in Egypt from 1897 to 1907. British Conservative politician Harry Frederick Comfort Crookshank (1893-1961) as well as several other members of the Comfort family, particularly Samuel's father, George Comfort (1808 -1887), are also represented.

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 of a collection of letters and autographs of over 120 English, American, and a few European actors, actresses, playwrights, theatrical managers, directors, critics, and others connected with the theater from the late 19th and early 20th centuries.

Consists of works, correspondence, and documents of William Kelly Prentice, a Greek scholar and authority on classical inscriptions, as well as selected papers of his father and various other family members.

Consists chiefly of letters of the Constitution signer and Philadelphia lawyer Jared Ingersoll to his son Charles while he was a student at the College of New Jersey (now Princeton University).

Consists of manuscripts, correspondence, documents, photographs, scrapbooks, and miscellaneous research material of librarian/archivist Milton Halsey Thomas, including research material for several of his historical publications.

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