Papers of the American Bureau for Medical Aid to China consist of correspondence, memoranda, reports, minutes, committee files, membership records, financial records, fund raising records, motion pictures, audio tapes, phonograph records, photographs, posters, publications of ABMAC and other printed materials. Also included are the files of related Chinese relief organizations: Aid Refugee Chinese Intellectuals, 1954-1969; American Emergency Relief, 1941-1946; United Services to China, 1941-1977. Of particular interest are approximately 6,000 photographs of Chinese medical colleges, hospitals, laboratories and personnel and 45 phonograph records including speeches by such ABMAC supporters as Mme. Chiang Kai-Shek, Pearl S. Buck, Wendell Willkie, Fiorello LaGuardia and a number of movie stars

This collection consists of correspondence, both personal and professional, of Andrew Cordier from the late 1920s through 1974, as well as administrative records related to Cordier's tenure at Columbia University.

Correspondence, speeches, speech materials, news clippings, subject files, audio and videotapes relating to the professional activity of Arthur Levitt, Jr. The papers and audiovisual material deal primarily with his tenure as the Chairman of the Securities and Exchange Commission (1993-2001), but also contain earlier records, including some materials relating to Levitt's school years at the Polytechnic Preparatory Country Day School and at Williams College, and his work at Hayden Stone, the American Stock Exchange, and the New York Economic Development Corporation, and his advocacy of the National Endowment of the Arts during the 1991-1992 funding controversy. These papers also contain materials relating to his father, Arthur Levitt, Sr., who served for 24 years as New York State Comptroller.

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.

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.

Materials related to the Maine-Canada boundary controvery: over 400 letters, documents, reports, map, manuscript corrected proof of the Secretary of State's printed report to Congress, manuscript history of the controversy (published), lengthy analysis of the King of the Netherland's Decision as arbiter, as well as supporting material showing the life of a diplomat of the period in Europe.

The Chen Lifu papers (陳立夫檔案) mainly document his involvement in Chinese politics during the Republican era, dating from 1926 to 1989, with the bulk dates from 1926 to 1951. The papers consist of correspondence, portrait, meeting documents, reports, plans, speeches, writings, memoir, and printed materials. The papers focus on Chen Lifu's political career as the Head of the Central Bureau of Investigation and Statistics and the Minister of Education, as well as his general involvement in politics dating from 1926 to 1949.

Correspondence, subject files, manuscripts and printed materials documenting the work of C. Martin Wilbur, George Sansom Professor Emeritus of Chinese History, Columbia University. Correspondence with non-Columbia organizations includes the Institute of Pacific Relations, Far Eastern Association, INDUSCO, Council on Foreign Relations, Asia Foundation, and American Council of Learned Societies, among others. Subject files relevant to Columbia University include items pertaining to the Department of Chinese and Japanese, later renamed the Department of East Asian Languages and Cultures, as well as teaching files, student files and research projects directed. The manuscript files contain the notes and, in some cases, printed copies of published and unpublished works and public talks. Wilbur's writings and research concentrate on the history and politics of twentieth century China, with emphasis on the Chinese Revolution, 1920-1929, Sun Yat-sen, and communism in China. There are translations of minutes for the first and second Kuomintang Congresses, copies of documents from the Kuomintang Archives, and photographs of members of the Young China Party, Sun Yat-sen and several historical events in the 1920s. Files on fund raising efforts for the Department of East Asian Languages and Cultures and the Wellington Koo Fellowship also contain relevant correspondence. Biographical information includes a curriculum vitae (ca. 1968)

The surviving files of official correspondence, reports, documents, and printed materials of King's College from 1750 to 1784 and Columbia College from 1785 to 1890, as well as Columbia University up to 1964. The King's College era materials include grants, deeds, indentures, lists of governors, leases, accounts, etc. The Columbia College era papers commence with documentation regarding the attempts to revive the college at the end of the American Revolution. In the later period these papers primarily supplement and document the minutes of the meetings of the Board of Governors and the Board of Trustees. Much material was destroyed and scattered in the late 19th century leaving this collection quite incomplete.

This collection includes tape recordings and some phonograph records of the numerous conferences, seminars and other events held during 1953 to 1954 in celebration of Columbia University's 200th anniversary. In addition there are 31 tape reels of the CBS Radio Network's series "Man's Right to Knowledge." Also included are Bicentennial press releases, typescript and galley proofs with manuscript corrections for two volumes in the Columbia University Bicentennial Series: RESPONSIBLE FREEDOM IN THE AMERICAS and THE UNITY OF KNOWLEDGE.