Included are Sanger's personal diaries (1936-1967) relating to WQXR. Also included is a complete bound file of the WQXR PROGRAM GUIDE (June 1936-December 1963) containing a record of the broadcasting of classical music in New York City, the daily schedule, and essays on composers, music festivals, individual compositions and music in general by such writers as Irwin Edman, Will Durant, M. Lincoln Schuster, Edward Johnson, John Barbirolli, as well as by Sanger and his co-founder, John V. L. Hogan. The collection includes business letters, congratulatory and testimonial letters from listeners and advertisers, reports on the station's history, samples of newspaper clippings containing WQXR advertisements and program listings, market surveys of listeners, and promotional brochures prepared for prospective advertisers. There is a corrected typescript and galley proofs for Sanger's book Rebel In Radio (New York, Hasting House, 1972) and 6 volumes of documents in support of the station's application for "clear channel" status filed with the FCC. Also included are 49 photographs of the station's staff and musical personalities, 4 audiotapes of 1973 interviews with Sanger, and 4 audio cassettes celebrating WQXR's 50th Anniversary.

Personal correspondence, speeches, subject files, photographs, and printed and miscellaneous material of Hogan. The correspondence, speeches, and other material relate primarily to his activities as District Attorney, and to his unsuccessful campaign for the U.S. Senate, 1958. The papers also reflect Hogan's deep concern for Columbia University, as a Trustee and a member of numerous alumni committees. Among the major correspondents are Harry J. Carman, Dwight David Eisenhower, Robert F. Kennedy, Arthur Hays Sulzburger, and Herbert Bayard Swope.

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.