H. Alexander Smith served as the executive secretary of Princeton University and was later elected to the United States Senate representing New Jersey. Smith made contributions to United States foreign policy while serving on the Senate Foreign Relations Committee. The bulk of documentation focuses on his tenure in the Senate and the period immediately after his retirement; reports, correspondence, and printed material from his work at Princeton are also included. The papers contain diaries, correspondence, speeches, notes, photographs, and memorabilia.

Consists of papers of the American literary critic and novelist Donald A. Stauffer (1902-1952, Princeton Class of 1923).

The Thomas H. Johnson Papers consists of correspondence, subject files, notes, printed matter, diplomas, and other miscellanea of the American educator and editor Thomas H. Johnson (1902-1985).

The papers of Whiting Willauer (1906-1962) reflect Willauer's entire career, but focus most strongly on the period from 1941 to 1954 when Willauer was in China and worked for China Defense Supplies, Inc. (1941-1944), the Foreign Economic Administration (1944-1945), the United Nations Relief and Rehabilitation Administration [NRRA] (1946-1947), and Civil Air Transport, Inc. (1946-1954). The papers also document his positions as an admiralty lawyer for the New York City law firm, Bingham, Dana and Gould (1931-1938), as Attorney, Criminal Division at the Department of Justice and Special Assistant to United States Attorney General (1929-1940), Special Counsel for the Federal Power Commission (1941), and his appointments as United States Ambassador to Honduras (1954-1958) and Costa Rica (1958-1961). In addition, materials which reflect Willauer's role as a delegate to the Organization of American States' Meetings of Foreign Ministers (August 1960) and to the United Nations General Assembly (October 1960) are found in the papers.

Arthur Friedman is an American collector in music and theater. His collection consists of bound scrapbooks of opera programs and playbills for theater and concert performances covering eighty years of regular attendance by Friedman in New York City at the Metropolitan Opera House, Carnegie Hall, Town Hall, and various legitimate theaters.

Designer and Typographer, P.J. Conkwright worked at the Princeton University Press from 1939 to 1970. His collection includes biographical material, correspondence, calendars, and other printed material about the Princeton University Press.

The American Civil Liberties Union Records, The Roger Baldwin years, document the activities of the ACLU from 1917 through 1950. The files contain materials on conscientious objection, freedom of speech, academic freedom, censorship, and labor concerns. The files reflect work on litigation, advocacy, and public policy. Materials include correspondence and newspaper clippings. Subgroup 1 has been digitized in its entirety 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 collection consists of the original diaries (with typed transcriptions) of art historian Roger Hinks, with early and final drafts of The Gymnasium of the Mind: The Journals of Roger Hinks, 1933-1963 (1984), the publication edited by John Goldsmith that resulted from them. Included are some related correspondence, photographs, and estate material.

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.

Since 1935 Princeton University's Department of Music has offered courses in composition, music history, and related areas to students at the graduate and undergraduate level. The records of the Department of Music document the department's wide range of activities including teaching, research, curriculum development, and the planning of music-related programs on campus.

Frank W. Notestein contributed significantly to the science of demography and to a better understanding of population problems in world affairs. The Frank W. Notestein Papers contain correspondence, speeches, and writings documenting the research, ideas, career and leadership roles of this former Princeton professor, director of the Office of Population Research, and president of the Population Council.

The President of the University is charged with the general supervision of the interests of the University and with special oversight of the departments of instruction. This collection consists of the collected reports to the President prepared annually by each academic department and administrative office.

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 Thomas Baird Papers consists of the working and personal papers, primarily manuscripts, of the American educator and author Thomas Baird (1923-1990). Also included, and related to both his published and unpublished works, are idea files, notes, writing journals, correspondence with his publishers and editors, and reviews. Furthermore, the collection contains the following materials that encompass Baird's adult life: talks, addresses, and lectures; general, family and travel correspondence; diaries; personal journals; interviews; documents; photographs and audio recordings.

Livingston T. Merchant was a diplomat and high-ranking government official. This collection consists of Merchant's papers, including correspondence, articles, notes, speeches, statements, interviews, clippings, printed matter, and personal papers.

The Freedom House Records document the organization's activities in advocating freedom and democracy throughout the world. The records provide an invaluable insight into an organization that evolved from an answer to Hitler's Braunhaus to a diligent monitor of freedom worldwide.

The Rubber Development Corporation, Amazon Division Records (1942-1945) reflect Philip H. Williams' interests and concerns as manager of the Manaos Office in Brazil. As manager, Williams was called upon to play various roles including diplomat, manager and administrator. His fellow staff members were C. Homer McDuff–Acting General Manager, Mr. Swain–Accounting Department, H. A. Beck–Acting Manager, Manaos Office, George A. Seaman–Assistant to Mr. Williams, John Herman Neumann–Manager of Amazon Division and Douglas H. Allen–President of the Rubber Development Corporation. The bulk of this collection consists of copies from William's personal files. The majority of the collection is composed of correspondence, memoranda, reports, charts, photographs and newspaper clippings.

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.

Fred I. Kent (1869-1954) was a banker who spent the majority of his career at Bankers Trust Company in New York. He was an expert on foreign exchange, and during World War I and its aftermath was involved with establishing foreign exchange policies, reparations, and war debt. Kent was also active in numerous organizations, including the American Bankers Association and the International Chamber of Commerce. Kent's papers include his correspondence with businessmen and politicians about financial and economic issues, articles and speeches written by Kent, and papers documenting his involvement with several banking and economic organizations.

Allen W. Dulles (1893-1969), though a diplomat and lawyer, was renowned for his role in shaping United States intelligence operations, including the longest service as director of the Central Intelligence Agency (CIA). The Allen W. Dulles Digital Files contain scanned images of professional correspondence, reports, lectures, and administrative papers, declassified and released by the CIA in 2007. The collection spans Dulles's time as Chief of the Office of Strategic Services office in Bern, Switzerland during World War II, his work at the Central Intelligence Agency, and his retirement.