Collection
- John A. Garraty papers, 1912-19901
- John Howard Griffin papers, 1920-20041
- John L. Gerig papers, 1905-19881
- Karl Brown papers, 1955-19601
- Konstantin Viacheslavovich Sakharov Papers, 1930-19561
- Kwang Pu Chen papers, 1936-19681
- League of Women Voters of New York State records, 1912-19811
- Leon Samuel Roudiez papers, 1947-19821
- Lewis Corey papers, 1910-19531
- Marie Mattingly Meloney Collection on Marie Curie, circa 1890-1962, bulk circa 1920-19341
- Mario Emilio Cosenza papers1
- Marion Meade papers, 1859-19931
- Mary Klachko papers, 1852-19951
- Melvil Dewey papers, 1870-19311
- Michael Reynard collection, 1769-19751
- Mikhail Vasil'evich Karkhanin Papers, 1915-19591
- Morgan J. Rhees papers, 1794-19681
- Mother Mariia Papers, 1912-19551
- Natalia Dmitrievna Bakhareva Papers, 1952-19551
- Nataliia Lazarevna Erenburg-Manotti Papers, 1910-19731