- Amnesty International of the USA Inc : National Office records, 1966-2003, bulk 1974-19937,146
- Sidney Kramer papers and library, 1940s-1980s6,906
- Group Research Inc. records, 1955-19966,646
- Crane Family Papers, 1877-19866,196
- New Leader records, 1895-2011, bulk 1924-20066,048
- Random House publications, 1897-1980, bulk 1940s-1970s5,949
- Committee to Protect Journalists records, 1978-20095,926
- Bella Abzug papers, 1937-1996, bulk 1970-19865,835
- Community Service Society records, 1842-19955,672
- Book Arts Ephemera collection, 1890-20195,598
- Felix Adler papers, 1830-19335,536
- Robert K. Merton papers, 1928-2003, bulk 1943-20015,506
- Harrison E. Salisbury papers, 1927-19995,462
- Human Rights Watch records: Record Group 1: Helsinki Watch, 1952-2003, bulk 1978-19945,391
- Judith Crist papers, 1930s-20125,300
- Watkins Loomis records, 1883-2007 2013-20185,223
- Ian and Betty Ballantine Books and Business Records, 1935-1994, bulk 1945-19735,028
- Bob Fass Recordings and Papers, 1935-2011, bulk 1963-19914,951
- Gay J. McDougall South Africa and Namibia Papers, 1932-2006, bulk 1980-19944,919
- International Institute of Rural Reconstruction records, 1914-20184,843