Collection
- Pierson Family papers, 1821-199614
- Ralph W. Muncy papers, circa 1830-199214
- Cathedral Church of St. Paul (Detroit, Mich.) Records, 1824-200213
- John C. Patterson papers, 1843-191013
- McCreery-Fenton Family papers, 1818-1948 (majority within 1860-1940)13
- University Planner's Office (University of Michigan) records, 1940-201413
- Arthur Ingraham Martindale collection, 1852-2013 (majority within 1861-1880)12
- University of Michigan Class Albums, 1861-188712
- Medical School (University of Michigan) records, 1850-201411
- Mullett Family papers, 1665-1924 (majority within 1825-1924)11
- Sligh Family Papers, 1842-201211
- Ludwig Family Papers, 1838-1985, 200010
- Robert D. Aldrich Collection, 1783-198310
- Ryder Family Papers, 1861-1969 (majority within 1861-1863)10
- Sault Sainte Marie collection, circa 1802-193010
- Washtenaw County Historical Society records, 1827-201410
- Birney-McClear-Hankerd family papers, 1835-19729
- Flint Woolen Mills Records, 1851-19109
- Helen Belfield Bates Van Tyne Papers, 1846-1971 (majority within 1950-1966)9
- Law School (University of Michigan) records, 1852-20109