Collection
- Ivan Ivanovich Manukhin Papers, 1921-19611
- Ivan Nikolaevich Shumilin Papers, 1927-19651
- Jacques Barzun papers, 1900-19991
- James Stillman papers, 1830-19551
- Jane Howard papers, 1930-19961
- Jessie Taft papers, 1888-1961, bulk 1920-19611
- Joanne Grant research files, 1963-19681
- John Bartlet Brebner papers, 1937-19571
- John Bates Clark papers, 1848-1955, bulk 1874-19381
- John Brown manuscripts, 1839-19431
- John Erskine papers, 1890-19511
- John Howard Griffin papers, 1920-20041
- John J. Coss papers, 1908-19521
- John L. Gerig papers, 1905-19881
- John Leonard papers, 1939-2015, bulk 1950s-20081
- Joseph Dorfman papers, 1890-19831
- Joseph Freeman papers, 1920-19651
- Joseph L. Blau papers, 1912-19871
- Joseph Marks papers about Anne Frank, 1950-19991
- Joseph Schwartz papers on Hart Crane, 1921-19851