Collection
- Helen E. Wessells papers, 1921-19782
- Ian and Betty Ballantine Books and Business Records, 1935-1994, bulk 1945-19732
- Institute of Current World Affairs records, 1914-2018, bulk 1926-20112
- James Shepard Dennis papers, 1873 -- 19162
- Jane C. Loeffler research papers on American embassies, 1920s-2010s, bulk 1970s-2000s2
- Missionary Research Library collection on mission work in South and Southeast Asia, 1897 -- 19702
- William W. Bell papers, 1941 -- 19452
- A. Doak Barnett papers, 1929-2010, bulk 1940-19991
- Albert Ellis papers, 1920-2007, bulk 1965-19971
- American Library Association International Relations Committee records, 1941-19671
- Andrew W. Cordier papers, 1918-19751
- Arthur T. Sutcliffe Papers, 1838-19621
- Barney Rosset papers, 1841-2011, bulk 1935-20111
- Book Arts Ephemera collection, 1890-20191
- Brander Matthews Dramatic Museum records, 1910-19711
- Burke Library collection of missionary letters, 1851 -- 19771
- Carnegie Corporation of New York records, circa 1872-20151
- Carnegie Corporation of New York, Series III: Grant Records, 1911-19941
- Columbia University Press records, 1893-2000s, bulk 1923-2000s1
- Committee of Concerned Scientists records, 1970-2006, bulk 1974-20051