Julius Caesar Claude Edelstein (1912-2005), served as advisor and executive assistant to military officials and political figures. His papers primarily encompass his job as executive assistant and chief of legislative staff to Senator Herbert H. Lehman during Lehman's senatorial years 1949-1956. Edelstein remained executive assistant to former senator Lehman from 1957-1960. His files include correspondence, memoranda, press releases, clippings, speeches, statistics, maps, pamphlets and government publications.Julius Caesar Claude Edelstein (1912-2005), served as advisor and executive assistant to military officials and political figures. His papers primarily encompass his job as executive assistant and chief of legislative staff to Senator Herbert H. Lehman during Lehman's senatorial years 1949-1956. Edelstein remained executive assistant to former senator Lehman from 1957-1960. His files include correspondence, memoranda, press releases, clippings, speeches, statistics, maps, pamphlets and government publications..

This collection consists of photographs taken by Columbia College student Michael Dolin (CC 1966). It includes photos of campus views, student protests, and former Columbia University presidents Dwight Eisenhower and Grayson Kirk.

Correspondence files of the Declaration of Atlantic Unity. The declarations which they issued are in the box of printed materials (No. 49)

Correspondence, memoranda, manuscripts, documents, photographs and printed materials relating primarily to Coykendall's various involvements with Columbia University, including the Trustees, University Patents, the Columbia University Press, alumni affairs, and the searches for successors to Presidents Butler and Eisenhower. Also, material relating to his membership in the New York State Historical Association. Among the major correspondents are Nicholas Murray Butler, Marcellus Hartley Dodge, Dwight David Eisenhower, Hellmut Lehmann-Haupt, Arthur Hays Sulzberger, Mark Van Doren, and Thomas J. Watson. Also, memorabilia relating to Coykendall's association with the University and the Press.

Typescript carbons of the reminiscences and memoirs of men and women prominent in American life including agriculture, art, book publishing, business, diplomacy, education, journalism, jurists, literature, labor movement, medicine, military history, New York City politics, and special projects such as the Eisenhower Administration, the Marine Corps, popular arts, the radio industry, and social security recorded on tape by the person concerned.

This collection is comprised of letters sent to Eisenhower during his presidency at Columbia University.

Central Files is composed chiefly of correspondence sent and received between Columbia University administrators and other University officers, faculty, and trustees, as well as correspondence sent and received between University administrators and individuals and organizations from outside the university.

This collection is a combination of several different accessions of prints, negatives, contact sheets, color slides and digital files that were created by the University Photographer and others in the Columbia University Office of Public Affairs. The collection documents many events held on campus (e.g., commencement, homecoming, 1968 protests), the Morningside campus, individuals (faculty, student athletes), and sporting events.

An artificial collection comprised of correspondence, diaries, lecture notes, essays, administrative documents, minutes, and other documents related to Columbia University. Materials were created by or for students, alumni, faculty, administrators, staff, trustees, and honorary degree recipients.

The Historical Photo Collection contains images of persons, events, and activities associated with Columbia College (1754-1896) and Columbia University (1896-).