Collection
- John Harvey Kellogg Papers [microform], 1832-1965 (majority within 1874-1943)24
- Kenneth Todd Roundabouts collection, 1896-200224
- Richard D. T. Hollister Papers, 1887-196024
- Louis C. Cramton Papers, circa 1865-1966 (majority within 1916-1965)23
- Pittsfield Township records, 1830-198023
- Royal S. Copeland Papers, 1892-193823
- Ann Arbor (Mich.) records, 1830-200222
- Episcopal Church. Diocese of Michigan records, 1830-201622
- Mary Pennington Collection, 1845-2001 (majority within 1864-1964)22
- Sam Sturgis photograph collection, 1860s-1970s22
- Arthur J. Tuttle Papers, 1849-1958 (majority within 1888-1944)21
- Episcopal Church, Diocese of Western Michigan records, 1851-201121
- First Congregational Church (Ann Arbor, Mich.) records, 1847-201721
- Ludwig Family Papers, 1838-1985, 200021
- Michigan Mining Industries Collection, 1845-199021
- Michigan Union records, 1884-1996 (majority within 1904-1995)21
- Ruggles & Rademaker records, 1868-193121
- Charles S. Smith papers, circa 1875-192320
- Detroit Streetcar Collection, 1891-201120
- Don Binkowski collected materials, 1825-201320