Collection
- Millard D. Olds Papers, 1855-2000, and undated50
- Camilla and Ethel Green Family Papers, 1827-1988 (majority within 1910-1955)49
- Michigan. Circuit Court (Isabella County) Court records, 1866-1966, and undated48
- Alumni Association (University of Michigan) records, 1845-200147
- Episcopal Church, Diocese of Western Michigan records, 1851-201147
- Financial Operations (University of Michigan) records, 1837-2004 (majority within 1915-1990)46
- Joseph Ralston Hayden Papers, 1854-197546
- Angela Morgan Papers, 1861-195745
- Law School (University of Michigan) records, 1852-201045
- Safford and Sunderland Family papers, 1826-1987 (majority within 1890-1940)45
- William Warner Bishop Papers, 1891-195545
- Detroit Urban League records, 1916-199244
- Herbert F. Boughey Papers Series 2, 1901-1933, and undated44
- Michigan Woman's Christian Temperance Union records, 1874-200643
- Alexander G. Ruthven Papers, 1901-1961 (majority within 1906-1951)42
- Martha Cook Building (University of Michigan) records, circa 1913-201642
- Children's Fund of Michigan, records, 1929-1965 (majority within 1929-1961)41
- Church of Jesus Christ (Strangite) Collection, 1843-1982, and undated41
- Ira M. Smith Papers, 1919-196941
- Kenneth Todd Roundabouts collection, 1896-200239