Alfred J. Lotka (1880-1949), a statistician for the Metropolitan Life Insurance Company, was a significant contributor to the field of demography. He was a pioneer in the study of population dynamics and conducted research on the mathematical theory of evolution and the mathematical analysis of populations. Lotka's papers document his scholarship and his involvement in professional organizations and include drafts of his works, his notes and research materials, and correspondence.

The papers of William A. Eddy (1896-1962), educator, diplomat, minister to Saudi Arabia, intelligence agent, and college president, focus on his presidency of Hobart College (1936-1941), his work in U.S. - Middle East policy, and his family life in the period from 1917-1962. The holdings of his personal and family correspondence is extensive. The collection contains all correspondence from his term as president of Hobart College, 1936-1941. Many military documents are included, especially in the years 1941-1946 (the planning of the North African landings, the FDR/Ibn Saud meeting, the Treaty of the Yemen). There are many geneological papers and letters from Eddy's relatives concerning American missionary work in the Middle East. There are numerous publications concerning 18th C. English literature, religious and civic duties, U.S. Foreign policy re Israel and the Arabs, and sociological accounts of the Middle East. The collection is composed of personal/professional correspondence, documents, diaries and notebooks, addresses, publications, manuscripts of Eddy's books and articles (including unpublished MSs), scrapbooks, photographs, negatives, and memorabilia.

William C. Trimble, Princeton University Class of 1930, was a career diplomat, serving as United States ambassador to Cambodia (1959-1962) and Deputy Assistant Secretary of State for African Affairs (1965-1968) as well as serving in Brazil and Germany. The collection contains correspondence, speeches, newspaper clippings, photographs, and assorted memorabilia documenting Trimble's career.

The Papers of Charles A. Eaton (1868-1953), congressman from New Jersey, focus on Eaton's role as a delegate to the United Nations Conference in San Francisco, in 1945.

The Louis Fischer Papers include correspondence, interviews, articles and notes, lectures and speeches, photographs, and audiovisual materials that document his life as a journalist, writer, and commentator on international affairs. They also include the papers of his wife, Bertha Markoosha Fischer, an author in her own right, as well as family correspondence and papers. In the latter part of his life Fischer was affiliated with of the Institute for Advanced Study (1959-1961) and Princeton University's Woodrow Wilson School of Public and International Affairs (1961-1969).

The Roger Nash Baldwin Papers document the life and career of Roger Baldwin (1884-1981), a prominent and active American civil libertarian for almost all of his prodigiously long life. Baldwin is remembered first and foremost as a founder of the American Civil Liberties Union. Many of the papers in this collection document his involvement with the conscientious objection movement that served as the forerunner to the ACLU and with the Union itself. He served as both its executive director from its foundation in 1920 to his retirement in 1950 and as an advisor from that date until his death in 1981. However, Baldwin cast his net much wider than just the ACLU. During the 1920s and 1930s, he was involved with various left-wing political organizations, including the Industrial Workers of the World. Following the end of World War II, he served as an advisor to the U.S. Army and the United Nations in Germany, Austria, Japan, and Korea, guiding the establishment of democracy in those countries, and he was for many years chair of the International League for the Rights of Man. He spoke and wrote widely, most often on issues of civil liberties and human rights, and also taught periodically throughout his life. The papers, which include correspondence, memos, writings, notes, and photographs, document all aspects of his public life, as well as some portion of his personal life.

The collection consists of class yearbooks that are published to mark class reunions and to provide updates on the lives of alumni.

Princeton University's Dean of the Faculty is the senior administrator responsible for the quality and well-being of the faculty and professional staff of the university. The collection consists of personnel files for nearly every individual at one time employed as a member of Princeton University's faculty or professional staff.

Though informal fundraising groups acting under the auspices of the Graduate Council had used the name since the 1920s, the Princeton University Fund as it came to be known was officially assembled in 1940 to provide a permanent organization dedicated to annual giving and other fundraising efforts. Consists of detailed committee minutes and correspondence of the Princeton University Fund. Also included in the collection are annual fundraising reports, promotional materials and clippings, and organizational charts.

This collection provides the most basic source of information about Princeton University's governing body. In addition to minutes of the Trustees' meetings, the collection contains related papers and reports, organized according to purpose.

Princeton University's Dean of the Faculty is the senior administrator responsible for the quality and well-being of the faculty and professional staff of the university. The collection consists of personnel files for nearly every individual at one time employed as a member of Princeton University's faculty or professional staff.

The Grounds and Buildings Series of the Historical Photograph Collection contains photographs of the grounds and buildings owned by Princeton University. The photographs date from the late 1850s to the present, with the bulk of the photographs dating from the 1870s to the 1940s. Many of these photographs have been digitized and are searchable in Digital PUL.

The Commencement Records contain programs, bulletins, announcements and newspaper clippings which document commencement activities from 1748 to the present. Files are arranged chronologically by year. In addition there are separate series consisting of bound programs, electrical broadcast transcriptions, bound commencement notices, oversize material, and audio recordings of various commencement, class day, and baccalaureate activities.

Princeton University's Dean of the Faculty is the senior administrator responsible for the quality and well-being of the faculty and professional staff of the university. The collection consists of personnel files for nearly every individual at one time employed as a member of Princeton University's faculty or professional staff.

Princeton University's Dean of the Faculty is the senior administrator responsible for the quality and well-being of the faculty and professional staff of the university. The collection consists of personnel files for nearly every individual at one time employed as a member of Princeton University's faculty or professional staff.

The Historical Subject Files Collection documents Princeton University history and related topics from 1746 to the present. The collection consists of documents in almost every two-dimensional format: articles, books and booklets, clippings, correspondence, memoranda, non-photographic images, notes, pamphlets, posters, and reports.

Princeton University's dean of the faculty is the senior administrator responsible for the quality and well-being of the faculty and professional staffs of the university. In the past, the office has been responsible for matters ranging from student discipline to undergraduate academic life and the curriculum. This record group consists of the files of the faculty, the dean, the office, and its staff. In addition to the office's subject files, the collection includes the records of faculty meetings, faculty and University committees, and the personnel files of faculty, senior staff, and trustees.

The Derso and Kelen Collection consists of correspondence, writings, published material, and over 900 cartoons and caricatures in varying media ranging from pencil sketches and ink drawings to richly-hued watercolors and limited edition lithographic portfolios created by the Hungarian caricaturists and political satirists Alois Derso and Emery Kelen. The vast majority of the works were produced between 1920 and 1950, the active period of collaboration between Derso and Kelen.

The American Civil Liberties Union Records document the activities of the Union in protecting individual rights from 1920 through 1995. The files contain materials on freedom of speech, expression, and association; due process of law; equality before the law; legal case files; and organizational records. Within these categories files reflect subject areas such as academic freedom, censorship, racial discrimination, aliens' rights, privacy concerns, labor concerns, amnesty, and government loyalty and security. The files reflect work on litigation, advocacy and public policy, and subject files on various areas of interest connected with civil liberties. Materials include correspondence, court documents, memoranda, printed matter, minutes, reports, briefs, and legal files. Also included are materials from ACLU affiliate organizations, and the Lawyers Constitutional Defense Committee.

Harlan Cleveland (1918-2008) was a public administrator, ambassador to NATO, and a political scientist. He served in several positions related to the administration of economic aid programs during the 1940s, as an assistant secretary in the State Department and as U.S. ambassador to NATO during the 1960s, and also held positions at three universities and the Aspen Institute. Cleveland's papers document his government service and his work at the Aspen Institute, and include his speech and writings files, as well as correspondence and photographs.