Collection
- Annie Laurie Williams records, 1922-19711
- Anton Seidl collection of musical papers, 1870-19431
- Art Collections, 1800-19901
- Arthur C. Carr papers on Robert Indiana, 1952-19911
- Arthur Levitt papers, 1948-20071
- Arthur Mitchell Collection, 1800s-2021, bulk 1934-20191
- Arthur T. Sutcliffe Papers, 1838-19621
- Association of American Publishers records, 1975-19821
- Austin Strong papers, 1890-19611
- Avis Barton Wilson Scrapbook and Papers, Circa 1920s1
- Barnard College Photography Collection, 1889-2015, bulk 1965-19981
- Barry Miles papers, 1958-1990, bulk 1965-19971
- Bassett Jones collection on Libris Polaris, 1818-19381
- Bela Kiraly papers, circa 1957-19881
- Benjamin N. Cardozo papers, 1885-19401
- Benjamin Waugh papers, 1925-1933, bulk 1927-19281
- Bennett Cerf papers, 1898-19771
- Bergen Davis papers, 1898-19601
- Bialystoker Community archive, 1900s1
- Board of Trustees Biographical Files, 1889-20051