Correspondence, minutes of meetings, financial records, publications, notes, subject files, awards, speeches, reports and audiovisual materials document work by the Church Peace Union, its successors Council on Religion in International Affairs and Council on Ethics and International Affairs, and related organizations such as the World Alliance for International Friendship Through the Churches. The first installment of the CCEIA archival materials came to the RBML in 1974, with numerous additions over the years. A major addition in 1982 contained primarily the records of the Board of Directors and their semi-annual meetings, as well as the various programs and institutes of the Council, for the years 1972-1982, along with selected 1930s materials. 1986 addition contains presidential correspondence files, minutes of the Board of Trustees and committees, special projects, programs and conferences files, and the business and editorial files of "Worldview". Correspondents include John Foster Dulles, Jane Addams, Fiorello La Guardia, and Paul Tillich. 1990 and 2000 additions includes files of CCEIA presidents and vice presidents, paper and audiovisual materials on Merrill House Conversation Programs; Educational programs; International Monetary Fund/Lecture series; The Annals Of The Academy Of Political & Social Science; Washington Consultations; Colloquia for the Clergy; Church State Project; Asian Development & The Carribean Initiative; Korea: Year 2000 Project; fundraising files, printed materials and files of the Department of Publications.

Correspondence, manuscripts, notes, drafts of speeches, appointment books, subject files, documents, photographs, memorabilia and printed materials. There are notes from her lectures on Sociology at Adelphi College in 1911-1912; papers from 1912-1932, when Perkins served on the Commission for Safety and on the Industrial Commission of New York State; the main body of the material is from the period of her cabinet office, 1933-1945; and some items from her days on the Civil Service Commission, 1946-1953. Also included are personal and family papers.

These papers relate to her governmental activities and provide an important documentary record of her career to 1950. Included are mimeographed and typed copies of minutes of the various committees upon which she served, city bills and other municipal legislation, correspondence, memoranda, notes, etc. Earle family papers have been added. There is also a microfilm copy of Asher William Schwartz's A STUDY OF THE NEW YORK CITY COUNCIL

The office files of the American Institute of Pacific Relations and the international Institute of Pacific Relations, containing correspondence and reports concerned with international conferences, research programs, and publications programs of both Institutes, and relating to the political, economic, and social problems in eastern and southern Asia and the South Pacific, as well as with problems of American foreign policy. There are many travel letters and on-the-spot reports relating to conditions in China, Japan, Russia, Australia, the Philippines, India, and Pakistan during the period 1933 to 1954.

The correspondence, research, and teaching files of French-American cultural historian and Columbia University professor emeritus Jacques Barzun (1907-2012).

Correspondence, manuscripts, playscripts, screenplays, diaries, documents, contracts, financial records, photographs, phonograph records, motion pictures, playbills, posters, sheet music, cartoons, art work, memorabilia, scrapbooks, and printed materials. . The collection consists chiefly of correspondence and production files relating to the creation, production, and performance of their works for stage, screen, radio, and television, such as Leave It To Me and Kiss Me Kate (with music by Cole Porter), Boy Meets Girl, and My Three Angels. Correspondence (with twentieth century authors, playwrights, musicians, political figures, and actors) includes: George Abbott, Jean Arthur, Bennett Cerf, Katharine Cornell, Jo Davidson, George and Ira Gershwin, Alec Guinness, W. Averell Harriman, Lilli Lehmann, Mary Martin, Laurence Olivier, Mary Pickford, Cole Porter, Regina Resnick, Eleanor Roosevelt, Robert E. Sherwood, Lincoln Steffens, Kurt Weill, Rebecca West, and Thornton Wilder. There is also correspondence concerning Bella Spewack's work with the New York Girls' Scholarship, UNRA, and the Sports Center of Israel. In addition to the production files, there are manuscripts and typescript drafts for novels, short stories, and articles by the Spewacks.

Correspondence, manuscripts, reports, slides, records, film and card files, and scrapbooks. The papers reflect Lindsay's various activities and are arranged in two sequences, an alphabetical name file and an alphabetical subject file. Since many of the subjects are closely related, the division between them is not always very sharp. Among the subjects covered are: social legislation, I.L.O., National Child Labor Committee, prohibition, labor, Republican National Committee, Institute for Social Research, League of Nations, humane legislation, housing, Harmon Foundation, Educational Radio Corporation, and the Bergh Foundation. Boxes 167-169 contain the files of the Committee for Industrial Relations, 1912-1914

Correspondence, manuscripts, documents, financial records, photographs, memorabilia, and printed materials. The Foundation's correspondence files consist of letters from different organizations and foundations, including the Martin Luther King, Jr. Center for Social Change, The NAACP, the United Negro College Fund, the Studio Museum in Harlem, and the YWCA. Also included in this collection are community dialogues on race relations (1974-1975); proposed dialogues (1979) on such subjects as the Boy Scouts of America, Columbia University, and the National Council of Christians and Jews; and files on the Whitney M. Young Fellows Retreat Conferences (1980-1984). The collection contains many files on Ed Wilson's bust of Young (1991), including contracts and agreements, records of payments to Wilson, documents concerning the bust's placement in various locations, correspondence with Wilson (1983-1991), and miscellaneous photographs and pictures. The contributions files contain annual listings of contributions and records of contributions from the National Urban League, assorted organizations, corporations, individuals, foundations, and Philip Morris.