Collection
- Baird family papers, 1830-19113
- Buchanan family papers, 1847-19273
- Buck Family papers, 1851-19283
- Butterworth family papers, 1861-19163
- Charles Oscar Adams letters, 1861-18623
- De Witt C. Spaulding papers, 1861-1926 (scattered), 2011 (majority within 1861-1865)3
- Grand Hotel (Mackinac Island, Mich.) records, circa 1855-2017 (majority within 1946-2012)3
- James S. Fisher papers, 1850-18633
- John Milton Bancroft papers, 1861-18643
- Library (University of Michigan) records, 1837 - 2013 (majority within 1920 - 2000)3
- Sullivan Dexter Green papers [microform], 1853-19183
- Ann Arbor Public Schools Records, 1833-20112
- Bird family papers, 1821-1947 (majority within 1879-1941)2
- Blake family papers, 1806-19842
- Charles F. Bates papers, 1861-18882
- Claudius Buchanan Grant papers, 1830s-19242
- Davis family (Grand Rapids and Pontiac, Mich.) papers, 1796-18912
- Detroit Observatory (University of Michigan) records, 1860-2004 (majority within 1994-2001)2
- Eli A. Griffin papers, 1836-1882 (majority within 1853-1864)2
- Francis W. Edmonds papers, 1780-1917 (majority within 1825-1863)2