Collection
- Marvin I. Herzog papers, 1942-20081
- Mary Lasker papers, 1940-19931
- Mexican ecclesiastical and political documents collection, 1700-1886, bulk 17721
- Meyer Schapiro papers, 1919-20061
- Mitrofan Ivanovich Boiarintsev Papers, 1914-19671
- Nathalie Bailey Morris photographs of American Gothic Revival architecture, 1853-1937, bulk 1933-19341
- Office of the Provost and Vice President for Academic Affairs records, 1939-2006, bulk 1956-20031
- Office of the Secretary records, 1866-20041
- Ogden Codman architectural drawings and papers, 1893-19361
- Paul R. Hays papers, 1910-19801
- Pulitzer Prizes collection, 1917-20171
- RBML Office Files, 1917-20221
- Ralph Walker papers, 1920-1972, bulk 1913-20101
- Robert M. Morgenthau papers, 1944-20191
- Serge Prokofiev Archive, 1917-20121
- Seth Low papers, 1870-19301
- Ta-Chun Hsu papers, circa 1904-2016, bulk 1938-20081
- The Seymour B. Durst Old York Library Photograph and Lithograph collection1
- Theodore Richards Conant Collection, 1949-2010, bulk 1953-20001
- V. K. Wellington Koo papers, 1906-1992, bulk 1931-19661