The large collection covers all aspects of Cordier's life. It contains letters, memoranda, reports, cables, printed materials and photographs, mostly pertaining to his tenure at the United Nations and Columbia University.

Correspondence files and financial papers. The files include correspondence, contracts, clippings and programs, ledgers and financial accounts, submission books, and calendars and memorandum books. Authors for whom there are extensive files include the following: Truman Capote; Patrick Dennis; John Dos Passos; Lloyd C. Douglas; John Hersey; Alice Tisdale Hobart; Paul Horgan; William Humphrey; Frances Parkinson Keyes; Margaret Mitchell; Alan Paton; Kenneth Roberts; Lillian Smith; John Steinbeck; George R. Stewart; Ben Ames Williams; and Kathleen Winsor

Correspondence, manuscripts, documents, notebooks, memorabilia, a tape cassette, photographs, and printed materials. The collection is primarily correspondence files, both personal and professional, along with book reviews, awards and diplomas, letters of condolence on his death, clippings, and correspondence, manuscripts and printed materials relating to THE STREAM OF HISTORY. The correspondence relates specifically to the third edition. The manuscripts are typed and holograph inserts for the third edition and possibly for the second edition as well. Among the manuscripts are twenty-two notebooks containing holograph notes and drafts of chapters. The printed material consists of one copy of THE STREAM OF HISTORY, 1934 edition.

Correspondence, manuscripts, lectures, notes, diaries, notebooks, reports, financial records, blueprints, photographs, and printed materials of Y.C. James Yen and the IIRR concerned with the development, sharing, and financing innovative methods of teaching, improving agriculture, health and family planning, and education in impoverished villages. Among the cataloged correspondents are: Pearl Buck, William O. Douglas, Nelson Rockefeller, and DeWitt Clinton.

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

Correspondence, manuscripts, dispatches, documents, clippings and other printed materials concerning his career as an editor and correspondent for the New York Herald Tribune in Moscow, Berlin and New York, as a staff member of the Institute of Pacific Relations from 1932 to 1934, as deputy director in the Office of War Information overseas branch, 1941-44, as an owner and editor of the New York Star, 1948-49, as an instructor in communications at Sarah Lawrence College, 1950-1951, as a book editor at Simon and Schuster, Publishers, 1951-1970, and as an author and translator.

Correspondence, minutes, reports, documents, scrapbooks, publications, memorabilia, and photographs. The general files, minutes, and reports reflect the varied activities and interests of the League, including apportionment, court reform, education, and voting rights. The historical files contain photographs, printed materials, and memorabilia, filed chronologically. Also included are the periodicals and publications of the League, scrapbooks arranged chronologically, and "Mailbooks", or volumes of mimeographed reports and announcements which were sent to branches and board members. Among the major correspondentrs are: Thomas E. Dewey, Herbert H. Hehman, Nelson A. Rockefeller, Franklin D. Roosevelt, and Alfred Smith

The V. K. Wellington Koo papers document the diplomatic legacy of Wellington Koo as a Chinese statesman and diplomat of the 20th Century. The papers primarily consist of materials collected during Koo's diplomatic career, relating to the Lytton Commission, 1932-1933; the League of Nations, 1931-1940; the United Nations, 1944-1946; his ambassadorships to France, 1932-1941; to Britain, 1941-1946; to the United States, 1946-1956; as the Senior Advisor to the Republic of China from 1956; and as the Judge on the International Court of Justice, 1957-1966. The materials include correspondence, diaries, memoranda, manuscripts, documents, notes, speeches, maps, photographs, printed material, and audio visual material. The bulk of the materials emphasizes China's domestic and foreign affairs, such as the Sino-Japanese conflict, World War II and the Cold War in the Far East region, as well as the League of Nations and the United Nations.