Collection
- Mike Gold (Irwin Granich) and Mike Folsom papers, 1901-1990, and undated (majority within 1930-1967)42
- Volney H. Jones papers, 1909-1979 (majority within 1930-1979)42
- Detroit Streetcar Collection, 1891-201141
- James B. Edmonson papers, 1915-1960 (majority within 1920-1955)41
- Manuel Luis Quezon papers, 1909-194441
- Angela Morgan Papers, 1861-195740
- Arnold Transit Company records, 1854-1987 (majority within 1900-1970)39
- Kenneth Todd Roundabouts collection, 1896-200239
- Ardis Press Records, 1811-2002 (majority within 1970-1989)38
- Bentley Historical Library records, 1919 - 2023 (majority within 1970 - 2013)38
- Extension Service (University of Michigan) records, 1911-199938
- Mabel E. Rugen Papers, 1921-1989 (majority within 1930-1970)38
- Prentiss Marsh Brown Papers, 1902-197338
- Bureau of Government Library (University of Michigan) records, 1935-198037
- Louie Crew Papers, 1936-2015 (majority within 1974-2006)37
- Safford and Sunderland Family papers, 1826-1987 (majority within 1890-1940)37
- Personnel Files, 1926-197736
- Museum of Zoology (University of Michigan) records, 1876-1999 (majority within 1910-1955, 1975-1989)35
- William G. Dow Papers, 1927-1999 (majority within 1930-1960)35
- Museum of Anthropological Archaeology (University of Michigan) records, 1894-2011 (majority within 1925-2011)34