Collection
- Community Action on Substance Abuse Records, 1981-200363
- Pioneer Band Association records, 1912-2011 (majority within 1960s-2011)61
- Ethnic and Cultural Communities of Michigan Web Archive, 2010-201459
- George and Marion Blydenburgh papers, 1920-1934, 1998 (majority within 1920-1931)59
- Military Order of the Loyal Legion of the United States, Michigan Commandery Records, 1885-1951 (majority within 1885-1931)57
- Provost and Executive Vice-President for Academic Affairs (University of Michigan). Staff Files, 1947-201457
- Royal S. Copeland Papers, 1892-193856
- Wilber M. Brucker Papers, 1877-196856
- Harold T. Glassford photograph collection, circa 1900s-1940s55
- Kinsley S. Bingham Papers [microform], 1820-1944 (majority within 1820-1870)55
- Republican Party (Mich.) State Central Committee Records, 1958-1979 (majority within 1962-1978)54
- Robert C. Stempel papers, 1965-200754
- Fox Island Lighthouse Association records, 1875-201753
- Kellogg African American Health Care Project records, 1918-200852
- D.C. Allen House of David Collection, 1795-1980 (majority within 1903-1980)51
- Franklin H. Bailey papers [microform], 1861-191251
- Russell M. Magnaghi collection, 1890s-2009 (majority within 1977-2009)51
- William B. Mershon Papers, 1848-194351
- Dale R. Leslie collection, 1941-2018 (majority within 2008-2013)50
- Henry Chandler Cowles lantern slide collection, 1898-193650