James V. Forrestal (1892-1949) was a Wall Street businessman who played an important role in U.S. military operations during and immediately after World War II. From 1940 to 1949 Forrestal served as, in order, assistant to President Roosevelt, Under Secretary of the Navy, Secretary of the Navy, and the first Secretary of Defense. The Forrestal Papers document his service from Under Secretary of the Navy to Secretary of Defense and include correspondence, memoranda, reports, speeches, and press releases.

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.

The Auxiliary to the Isabella McCosh Infirmary is a volunteer fundraising organization which supports Princeton University Health Services. Founded in 1902 as the Ladies Auxiliary to the Isabella McCosh Infirmary, the group has been responsible for shaping student health at Princeton University for over a century. The records contain meeting minutes, annual reports, correspondence, and subject files which pertain to the McCosh Infirmary, or to the organization itself.

The Council on Foreign Relations is a nonprofit, nonpartisan research and national membership organization dedicated to improving understanding of international affairs by promoting a range of ideas and opinions on United States foreign policy. The Council has had a significant impact in the development of twentieth century United States foreign policy. The Records of the Council on Foreign Relations document the history of the organization from its founding in 1921 through the present. The collection includes valuable source documents and records of the meetings, group discussions and studies, and conferences of the Council, as well as portions of its administrative records.

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 John Q. Stewart Papers consists of articles, correspondence, conference material, printed material, student papers, and other miscellanea of the American astrophysicist and educator John Quincy Stewart (1894-1972).

The Stanley Kunitz Papers consists of the literary and personal papers of Stanley Kunitz (1905-2006). A prominent American poet, Kunitz was also a known editor, translator, essayist, and educator. Kunitz's diverse interests are evident in the collection, which includes manuscripts of his writings, extensive correspondence, special-interest files, teaching materials, travel files, documents, photographs, memorabilia, artwork, calendars, annotated books, audiocassettes, papers of others, and printed material.

Edward S. Greenbaum (1890-1970) was a lawyer in New York City in the legal firm of Greenbaum, Wolff & Ernst who was involved in court reform efforts throughout his career. He also served in the War Department during World War II as executive officer to Under Secretary of War Robert P. Patterson, negotiating contracts with the private sector for munitions and supplies. Greenbaum's papers document his career as a lawyer, as well as his government service, and include correspondence, legal documents, reports, and publications.

The papers of Brooks Emeny (1901-1980, Class of 1924) consist of two separate collections: a collection of 28 boxes which he donated to Princeton University (Manuscripts Collection 047) and a bequest of 54 boxes to the Woodrow Wilson School of Princeton University (AM 16540). Brooks Emeny, author and lecturer, was a member of the advisory council of the Woodrow Wilson School 1957-1980.

Consists of files created by P.E.N. American Center as part of its regular business operations since its founding in 1922. Includes material on governance and policies, programs, awards, and financial aid granted to authors, and the center's involvement with International P.E.N. and other P.E.N. organizations worldwide. The collection is especially notable for its extensive author correspondence and occasional original manuscripts, as well as audio and video recordings of P.E.N. programs and events.