Collection
- Howard Bishop Lewis Papers, 1922-19541
- Human Rights Party (Ann Arbor, Mich.) records, 1970-1979 (majority within 1971-1975)1
- Information Technology Division (University of Michigan) records, 1956-1998 (majority within 1985-1997)1
- Institute for Social Research (University of Michigan) records, 1936-2017 (scattered) (majority within 1946-2010)1
- Inter-Cooperative Council (Ann Arbor, Mich.) records, 1932-20151
- Interfaith Council for Peace and Justice (Ann Arbor, Mich.) records, 1966-20101
- Interlochen Center for The Arts records, 1927-2005 (majority within 1935-1994)1
- Ira W. Butterfield papers, 1875-1990 (majority within 1944-1990)1
- J. David Singer papers, 1947-2009 (majority within 1957-2000)1
- Jack Kausch collection, 1927-2002 (majority within 1976-1994)1
- Jack Kevorkian papers, 1911-2017 (majority within 1990-2011)1
- James B. Angell Papers, 1845-19161
- James K. Pollock papers, 1920-19681
- James L. Curtis papers, 1927-20171
- James V. Mansfield papers, 1844-1928 (majority within 1859-1883)1
- Jane Briggs Hart papers, circa 1925-19961
- Jay Cassidy photograph collection, 1967-19701
- Jean Worth Papers, circa 1869-19861
- Jeep Holland papers, 1943-19981
- Jim Dunne papers, 1969-2011 (majority within 1974-1996)1