Collection
- Hugo K. Salchow papers, 1919, 19711
- I. Leo. Sharfman papers, 1914-19621
- Icie Gertrude Macy Hoobler Papers, 1914-19791
- Indian American Student Association (University of Michigan) records, 1983-20061
- Institute for Social Research (University of Michigan) records, 1936-2017 (scattered) (majority within 1946-2010)1
- Institute for the Humanities (University of Michigan) records, 1988-20011
- Institute of Gerontology (University of Michigan) Records, 1948-19871
- 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
- Irene Ellis Murphy papers, 1917-19841
- Ivan Walton Papers and Sound Recordings, 1930-1962 (majority within 1932-1958)1
- J. David Singer papers, 1947-2009 (majority within 1957-2000)1
- J. Milton Barnes collection, 1972, 1977-19801
- Jack Kevorkian papers, 1911-2017 (majority within 1990-2011)1
- Jack Van Coevering Papers, 1928-19781
- James Frederick Lawton papers, 1908-19691
- James J. Blanchard Papers, 1982-20021
- James K. Pollock papers, 1920-19681
- James Karoub Papers, 1962-19941