Collection
- William Herbert Hobbs papers, 1880-1955 (majority within 1905-1951)105
- Topographic Quadrangle Maps, 1895-199498
- Ivan Walton Papers and Sound Recordings, 1930-1962 (majority within 1932-1958)92
- Joseph Ralston Hayden Papers, 1854-197592
- William Muschenheim papers, 1923-2004 (majority within 1951-1985)92
- School for Environment and Sustainability (University of Michigan) records, 1903 - 201288
- Athletic Department (University of Michigan) records, 1860-201786
- Theodore H. Hubbell papers, 1833-1988 (majority within 1852-1970)79
- College of Engineering (University of Michigan) records, 1860-201478
- Captain William C. Bacon Michigan Car Ferries Collection, 1883, 2010, and undated77
- Daughters of the American Revolution of Michigan records, 1893-201475
- School of Information (University of Michigan) records, 1904-2014 (majority within 1926-1994)74
- Alumni Association (University of Michigan) records, 1845-200171
- Ann Arbor Township Records, 1820s-199671
- Varsinais-Suomi Region immigrant letters, 1880-196670
- Wealthy Park Baptist Church (Grand Rapids, Mich.) records, 1892-198270
- Ellen Van Volkenburg and Maurice Browne papers, 1772-1983 (majority within 1910-1960)69
- Lewis Burnett Kellum papers, 1837-1995 (majority within 1920-1969)69
- Episcopal Church, Diocese of Western Michigan records, 1851-201168
- Horace H. Rackham School of Graduate Studies (University of Michigan) records, 1892-201468