John Marshall Harlan (1899-1971), a distinguished lawyer and jurist, served on the U.S. 2nd Circuit Court of Appeals and the U.S. Supreme Court. Harlan's papers consist of legal materials, correspondence, writings, and personal papers that document his career as an attorney and a judge, especially the period when he was a Supreme Court Justice.

Bernard M. Baruch was a financier and public adviser. This collection consists primarily of public papers relating to Baruch's various involvements in government affairs.

The Records of the Franklin Book Programs document the activities of the organization from its inception in 1952 to its dissolution in 1978. For 26 years, Franklin assisted developing countries in the creation, production, distribution, and use of books and other educational materials. Its efforts were based on the premise that through wider and improved education, underdeveloped nations could better utilize their human resources to help eliminate hunger, poverty, overpopulation, and economic paralysis.

The Records of the Fund for the Republic document the activities of the Fund for the Republic, Inc. and its defense of civil rights and civil liberties from 1952 through 1961. The records provide an invaluable look at the Fund's struggle to uphold the basic principles of the Declaration of Independence, the Constitution and the Bill of Rights during the years of McCarthyism and its aftermath.

The George W. Ball papers document Ball's career as a lawyer, diplomat, investment banker and author. His involvement in Democratic politics, including his time spent on the presidential campaigns of Adlai Stevenson and his service as undersecretary of state for John F. Kennedy and Lyndon B. Johnson is well documented, as is his often overlooked role with Jean Monnet in European integration.

The Office of the Dean of the College is charged with overseeing undergraduate admission, curriculum, and academic development. The records document the work of the Dean of the College and the office staff, as well as faculty, students, alumni, and trustees whose work and interests have fallen under the domain of the Office of the Dean of the College. This record group contains annual reports, meeting minutes, departmental records, and correspondence.

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.

The Office of Information Technology oversees Princeton University's academic and administrative systems and the information technology infrastructure that supports them. It also provides information technology products and services for students, staff, faculty, and alumni of the University. The Office of Information Technology Records consists of paper records and electronic media related to the administration and implementation of information technology at Princeton University.

The Office of the Vice President for Campus Life is an administrative office at Princeton University responsible for enriching the student experience for the University's undergraduate and graduate students. The Office of the Vice President for Campus Life Records contain internal emails, reports, minutes, spreadsheets, and other office files that document the activities of the office from its inception in the early 21st century and through its first decade and a half of existence.

The Princeton Nassoons are a close-harmony, all male, student a cappella group that formed in the late 1930s. The collection consists primarily of the Princeton Nassoons' original musical arrangements and correspondence.

The Dillon Gym Library was housed in Dillon Gym, which opened in 1947. Dillon Gym is now mainly used as the headquarters for the Campus Recreation program, and includes various administrative and varsity athletic coaches' offices. The majority of the collection is made up of published material such as athletic handbooks, rule guides and technique charts; athletic organization convention and conference reports; and university publications (sports schedules and programs, admissions material, faculty, staff, and alumni guides and fundraising publications). The collection contains several areas of focus—notably, material on women's sports at Princeton.

The Charles Black Hutchinson Papers primarily include Charles Hutchinson's correspondence and schoolwork from the period 1935 to 1944, when Hutchinson was a student at the Lawrenceville School (1935 to 1939), at Princeton University (1939 to 1943), and serving in the Army's 681st Glider Battalion (beginning in 1943).

The Princeton Institute for International and Regional Studies (PIIRS) is Princeton University's international and regional studies center. The PIIRS Records document the institute's activities and include material from its precursor organizations, the Yale Institute of International Studies and the Center of International Studies at Princeton University.

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 Student Correspondence and Writings Collection contains original materials from the university archives that document aspects of student life as experienced by students at Princeton University.

The Syllabi and Course Materials Collection brings together original materials from the university archives that document the content of classes taught at Princeton University.

Varnum Lansing Collins was a Princeton alum of the Class of 1893 and served as the University's Secretary from 1917 to 1936. Throughout his life Collins exhibited a special interest in Princeton's history and he authored a number of works relating to that theme. The Varnum Lansing Collins Papers consist primarily of materials generated by Collins while writing several of his most well-known works on Princeton history.

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 Princeton University Publications collection contains issues of nearly 150 different periodicals published by the university and related organizations, as well as a few items published by others about the university, that have not been cataloged individually.

The President's Program was a fundraising drive initiated by Princeton President Harold W. Dodds in 1936. Targeting alumni, the program had an ultimate goal of raising over 7 million dollars, to be distributed across three major projects; the construction of a new library, the developement of the school of public and international affairs, and increased scholarship funds. Consists of regional files containing correspondence with program representatives throughout the nation.