Collection
- Arthur Mason Brown papers, 1921 -- 19841
- Arthur Whittier Macmahon papers, 1911-19771
- Ashley Horace Thorndike papers, 1902-19241
- Bard family papers, 1600-18921
- Benjamin Haggott Beckhart papers, 1959-19651
- Benjamin Nelson papers, 1925-19771
- Bernard Barber papers, 1938-19881
- Boris M. Stanfield papers, 1937-19571
- C. Martin Wilbur papers, 1950-19921
- Carlos Federico Díaz Alejandro papers, 1957-19851
- Carlton J.H. Hayes papers, 1920-19621
- Carter Goodrich papers, 1918-19711
- Cassius Jackson Keyser papers, 1884-19451
- Charles Anthon manuscripts, 1830-18751
- Charles Augustus Briggs Papers, 1841-19131
- Charles C. Williamson papers, 1900-19651
- Charles Elmer Gehlke papers, 1908-19631
- Charles F. Chandler papers, 1847-1937, bulk 1864-19251
- Charles P. G. Scott Dictionary of Etymological Terms, 1880-19371
- Charles Rockwell Lanman letters, 1916-19371