The Office of the Messrs. Rockefeller (OMR) materials document the increasing role assumed by John D. Rockefeller, Jr. in the management of Rockefeller affairs and amply document his business and philanthropic affairs. They also chronicle the entrance of JDR Jr.'s sons, John D. 3rd, Nelson A., Laurance S., Winthrop, and David, into the world of business, philanthropy, civic leadership, and politics as they joined the office.

The papers of Abby Aldrich Rockefeller primarily consist of correspondence, including personal correspondence to family and relatives, biographical materials; art collection files, and files pertaining to her philanthropic activities.

Correspondence, reports, memoranda, case records, photographs and printed material. The archive include central and district administrative records; cammittee correspondence and minutes; and files on the various programs--such as sheltered workshops, tuberculosis sanitariums and health centers, public baths and employment bureaus--run by the two organizations. The archive also contains hundreds of photographs, including works by Lewis Hine and Jessie Tarbox Beals; extensive casework files from the beginning of social work (originally referred to as "friendly visiting among the poor"); and copies of masters and doctoral theses from the New York School of Sociel Work and other schools. Much of the research for these theses was based on the CSS files

This series consists of all material relating to John D. Rockefeller that could not be placed in the John D. Rockefeller papers (FA002) due to limitations of date and type of material. Of special interest are the correspondence files, including those related to boards, the Rockefeller family, and investments; and the files on the Forest Hill, Golf House, and Pocantico Hills properties.

The Historical Subject Files Collection documents Columbia University history and related topics from 1754 to the present. The collection includes articles, booklets, clippings, correspondence, memoranda, non-photographic images, notes, pamphlets, posters, press releases, programs and reports.

These records document the history of the New York Chamber of Commerce and Industry, beginning with its establishment in 1768. Tracking the wax and wane of the organization's influence over the next two centuries, the collection provides a first hand account of the Chamber's many contributions to New York City and State business and development. These records exist in a wide variety of formats, such as bulletins, correspondence, minute books, and printed materials.

The George A. Plimpton Papers consist largely of personal and professional correspondence, financial and real estate records, personal diaries and albums, writings, and lectures produced by or for George Arthur Plimpton. But the Papers also contains not only the correspondence and records of Plimpton's colleagues at Ginn and Company, the publishing house that Plimpton led for decades, but also correspondence and records relating to the dozens of other institutions and organizations that Plimpton helped lead. In addition to extensive correspondence relating to Plimpton's collecting of rare books, manuscripts, and historical artifacts, the Papers also contain such diverse items as autographs of presidents, handwriting specimens, studies of medieval manuscripts, and documents relating to the American slave trade.

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.