Collection
- The Alternative Press Records, 1949-2018 (majority within 1970-1999)1,534
- Richard Tillinghast Papers, 1887-2008 (majority within 1960-2008)1,494
- National Commission on Libraries and Information Science Records, 1966-1995 (majority within 1979-1989)1,487
- Joseph T. and Marie F. Adler Archive of Holocaust and Judaica Materials, 1915-1995 (majority within 1970-1995)1,462
- Marge Piercy Papers, 1958-2004 (majority within 1966-2003)1,442
- Technology Opportunities Program Data Archive, 1994-20051,440
- Tom Hayden Papers, 1960-2015 (majority within 1980-1990)1,399
- William and Charlotte Kaufman Papers, 1911-2005 (majority within 1932-2002)1,342
- Aaron Kramer Papers, 1937-20171,282
- Robert Altman Archive: Projects - 1980s, 1980-19901,273
- Vernon D. Tate Personal and Professional Papers, 1929-19891,194
- Louie Crew Papers, 1936-2015 (majority within 1974-2006)1,187
- Victor Perera Papers, 1934-20021,146
- Cloyd Dake Gull Papers, 1937-1987 (majority within 1946-1983)1,131
- Emery Edward George Papers, 1965-[ongoing]1,088
- Ira Deutchman Papers, 1967-20161,059
- Stephanie Mills Papers, 1962-2005 (majority within 1983-2002)1,052
- Stew Albert and Judy Gumbo Albert papers, 1938-2006 (majority within 1968-2006)1,018
- Harry Alverson Franck Papers, 1899-1986 (majority within 1910-1945)970
- James P. Turner Papers, 1949-2014966