Consists of approximately 692 flat works from the collections of the Princeton University Art Museum, temporarily transferred to the Princeton University Library for use in Princeton University courses during the Spring 2024 semester.

The Chess Papers of Eugene B. Cook consists of correspondence, copies of classic chess manuscripts and diagrams, and memorabilia of Cook (Class of 1850), as well as notes and printed matter of the Appalachian Mountain Club.

Consists of a chronological series of 101 mathematical notebooks (1958-1997) of Princeton mathematician Bernard M. Dwork.

The David Wilkinson Papers consists of the scientific writings, professional correspondence, and subject and project files of David T. Wilkinson (1935-2002), the renowned experimental physicist and cosmologist who taught and conducted research in the Department of Physics at Princeton University from 1963 until his retirement in 2002. Wilkinson was a pioneer in the study and analysis of cosmic microwave background radiation, the nature and existence of which have yielded, through his lifetime's work, solid evidence for the Big Bang theory of the universe's birth. This collection contains the administrative (including his NASA and/or National Science Foundation funding and accounting paperwork) and background history of two of Wilkinson's main projects -- the Cosmic Background Explorer (COBE) and Microwave Anisotropy Probe (MAP) -- as well as evidence of the many and varied academic activities in his career.

A collection of correspondence, sketches, proofs, notes, personal writing, photographs, and legal documents related to the life and careers of P. L. Travers (1899-1996) and Mary Shepard (1909-2000).

The collection contains manuscripts related to four generations of the Blanco White family, spanning two centuries: including works, diaries, correspondence, documents, accounts and expense records, and printed material. Joseph Blanco White, the Spanish-English writer and religious figure, remains the focus of the collection; however, his brother Fernando, a politician and intellectual of 19th-century Seville, also accounts for a substantial part of the material. Of particular interest are autograph manuscripts of several of Joseph's literary efforts, as well as other genealogical material relating to the Blanco White family.

Consists of manuscripts of novels, articles, stories, and verse by the American historical writer James Boyd.

Alexander Leitch was a member of the Princeton Class of 1924 and an administrator at Princeton University for the entirety of his professional career, most notably holding the Office of the Secretary from 1933 to 1963. Consists of 55 oversized scrapbooks assembled by Alexander Leitch '24 during his career as a Princeton University administrator.

The Office of the Vice President for Finance and Treasurer is the administrative office at Princeton University responsible for overseeing the university's budget, procurement services, tax compliance, risk management, and other general, non-investment related fiduciary responsibilities. The records in this collection primarily document the activities of three consecutive administrators who held the position of vice president for finance, either solely or in combination with the roles of treasurer and vice president for administration: Paul B. Firstenberg (1972-1976), Carl W. Schafer (1976-1987), and Richard R. Spies (1988-2001). Also included are the records of Laurel B. Harvey, who served as assistant vice president for finance and administration under Schafer and Spies.

Consists of various materials, including correspondence, diaries, documents, and genealogical materials related to Moses Taylor Pyne (Class of 1877), the Pyne family, and the history of Princeton University.