Collection
- Douglas Moore papers, 1883-2018, bulk 1907-196916
- Italian Academy records, 1934-200215
- Alvin Singleton papers, 1952-202114
- Leyna Gabriele papers, 1940-201614
- Maurice Peress papers, 1898-1923, 1950s-201714
- Whitney M. Young Jr. Memorial Foundation records, 1971-199114
- Albert and David Maysles papers, 1948-201813
- Jack Beeson papers, 1854-201313
- Tony Kushner papers, 1920, 1961-201813
- Group for Contemporary Music records, 1962-199912
- Phoebe Jacobs papers, 1951-200212
- Anton Seidl collection of musical papers, 1870-194311
- Jonathan D. Kramer papers, 1967-199410
- Records of the Non-Sectarian Anti-Nazi League to Champion Human Rights, 1836-1978, bulk 1933-197510
- Hector Berlioz papers, 1825-19949
- Pulitzer Prizes collection, 1917-20179
- Theodore Richards Conant Collection, 1949-2010, bulk 1953-20009
- Historical subject files, 1810s-2022, bulk 1968-19728
- Joseph Urban papers, 1893-19988
- Peter Schickele Papers, 1874-2013, bulk 1955-20138