Collection
- Bob Fass Recordings and Papers, 1935-2011, bulk 1963-19911
- Bound & Gagged records, 1987-20051
- Brander Matthews Dramatic Museum collection of documents relating to actors and theatrical managers, 1732-19951
- Bruno Italiener photographs, 1914-19171
- Buildings and Grounds, 1891-20161
- Burgess Family papers, 1850-19691
- Burke Library collection of missionary photograph albums, circa 1900 -- 19651
- Burr Robbins Circus collection, 1864-19081
- C. H. Detwiller Columbia 1885 collection, 1874-1940, bulk 1881-18851
- C. J.Bulliet papers, 1899-19521
- C. Martin Wilbur papers, 1950-19921
- Carlos Federico Díaz Alejandro papers, 1957-19851
- Carnegie Corporation of New York records, circa 1872-20151
- Carnegie Council on Ethics & International Affairs records, 1844-20081
- Caroline Schimmel collection of Truman Capote material, 1949-19881
- Cecile Starr papers, 1925-20011
- Charles Keppel papers, 1956-1998, 1956-19981
- Charles Wrey Gardiner papers, 1918-19811
- Cheryll Y. Greene Papers on Malcolm X, 1954-19961
- Chinese oral history project collection, 1914-1989, bulk 1958-19801