Collection
- John Harvey Kellogg Papers, 1832-1965 (majority within 1874-1943)18
- Ludwig Family Papers, 1838-1985, 200018
- McPherson Family Papers, 1873-1983 (scattered), and undated18
- Ann Arbor Township Records, 1820s-199617
- Hannah and Lay Company (Traverse City, Mich.) Records, 1846-193117
- Isaac M. Weston Papers, 1859-189917
- McDonald Family Papers, 1783-193817
- Morley Brothers (firm: Saginaw, Mich.) Papers, Series 4, Oversized Volumes, 1835, 1967, and undated17
- Alpheus Felch Papers, 1817-189616
- Bay View Association records, 1875-199716
- Cathedral Church of St. Paul (Detroit, Mich.) Records, 1824-200216
- Charles Horton Cooley papers, 1872-193016
- Junius E. Beal Papers, 1869-194616
- Manchester Area Historical Society records, 1837-1955 (majority within 1870-1952)16
- Palmer Family (Pontiac, Mich.) papers, circa 1814-194016
- Pearl Sarno Collection, 1856-2005 (majority within 1870-1995)16
- Suomi College Finnish-American collection, 1880-197216
- Abel Bingham Family Papers, 1765-1964, and undated15
- C.S. Bliss and Company Business Records and Family Papers, 1879-1935, and undated15
- Charles S. Smith papers, circa 1875-192315