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.

Correspondence, manuscripts, drafts, notes, documents, drawings, photographs, audio tapes, clippings, and other printed materials covering every aspect of Helen Worden Erskine Cranmer's life and career. There are extensive biographical files on: Jenny S. Bradley, Prince Charles of England, Joseph Dixon, Dwight and Mamie Doud Eisenhower, Rosina Lhévinne, Paul Niehans, the Morgan twins (Gloria Morgan Vanderbilt and Thelma Morgan Converse Furness), Jovanka Tito, Harry and Bess Truman, the Duke and Duchess of Windsor; and large files on crime, recluses, New York City history, and travel. There are extensive drafts and source materials for her unpublished autobiography. There are pencil sketches, pen-and-ink drawings, watercolors, charcoal sketches, photographs, and printed copies by Helen Worden Erskine Cranmer and by others.

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.