Dean Mathey (d. 1972), Class of 1912, was a member of the Board of Trustees and an ardent supporter of the University. The collection documents Mathey's familial relationships, service to Princeton, tennis career and other activities from his undergraduate days to the end of his life.

The Delafields were avid collectors of family history and family-related memorabilia in the Hudson River Valley region of New York state. This collection consists of the papers of the Delafield family and related families, most prominently the Livingstons, containing both personal papers and papers collected for their genealogical and historical significance.

The Art and Archaeology Department is one of the University's most distinguished academic departments, responsible for the education of students on the graduate and undergraduate level as well as the administration of the Princeton Art Museum. This collection consists of the records of the Department of Art and Archaeology, which include advisory council minutes; faculty files; gift records; correspondence; recommendations; project files; course lists; historical documents; and lists of images used in classes.

The study of biology began at the College of New Jersey with the appointment in 1830 of botanist John Torrey into a part-time faculty position; it expanded with the formation of the School of Science in the 1870s; and was established as a department in 1904. The collection primarily consists of the records of the Department of Biology assembled during the tenures of Department Chairmen Edwin G. Conklin and Elmer Butler. Included are correspondence, general subject files, and records pertaining to grants, research endowments, publications, and administrative matters such as budgets and staffing. Also includes sponsored research reports and student grade cards.

The Department of Chemistry at Princeton University dates back to the early days of the College of New Jersey, and today it is one of the University's largest undergraduate concentrations. The collection contains examinations and grade books, records pertaining to chemistry research performed at the department in support of the U.S. Manhattan project and departmental records.

The Department of Classics at Princeton University offers courses, both in English and in the original languages, that treat the whole range of ancient culture, from its mythology to its philosophy, law, and literature. Consists of the records of the Department of Classics from the late 19th and early 20th century.

The first report presents a chart method for calculating the characteristics of a reactor. The second report offers a set of universal curves which could be used to find the characteristics more easily. The third report describes in more detail two specific uses of the universal curves which were not covered in the second report, namely calculation of the d-c flux linkages in the reactor and calculations of problems involving rectifiers.

The papers of Princeton University's English Department document the many varied aspects of one of Princeton's largest academic departments. With some writings that pre-date the Department's formal establishment in 1904, the collection includes faculty meeting and sub-committee minutes; faculty personnel papers and correspondence; the papers of many prominent faculty members, which include class lectures, syllabi, and original scholarship; records of departmental majors; student work; and scrapbooks of publicity and memorabilia about the Department, its faculty, staff, and students, both undergraduate and graduate.

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 Department of French and Italian as it exists today at Princeton University originated in 1958 when the Department of Modern Languages and Literatures was split into the separate departments of Romance and Germanic Languages and Literatures. Consists of the records of the contemporary Department of French and Italian, collected while it was operating as the Department of Modern Languages and later the Department of Romance Languages and Literature.