Collection
- Pattengill Family papers, 1767-19639
- United Church of Christ. Michigan Conference records, 1840-20139
- Washtenaw Abstract Company records, circa 1824-19549
- Andrew S. Clark Correspondence, 1862, 2012, and undated8
- Bethlehem United Church of Christ (Ann Arbor, Mich.) Records, 1833-19808
- Conant Family papers, 1833-20018
- Dwight-Willard-Alden-Allen-Freeman family papers, 1752-19378
- First United Methodist Church of Ypsilanti (Ypsilanti, Mich.) records, 1831-19958
- Geddes and Randall Family Papers, 1835-19098
- Hannah and Lay Company (Traverse City, Mich.) Records, 1846-19318
- Isaac M. Weston Papers, 1859-18998
- John Kelley Hough papers, 1864-1897 (majority within 1864-1865)8
- McCreery-Fenton Family papers, 1818-1948 (majority within 1860-1940)8
- Medical School (University of Michigan) records, 1850-20148
- Mullett Family papers, 1665-1924 (majority within 1825-1924)8
- Pearl Sarno Collection, 1856-2005 (majority within 1870-1995)8
- Preston Family Papers, 1819-1984 (majority within 1850-1870)8
- Robert D. Aldrich Collection, 1783-19838
- Smith-Parker-Hicks-Winegar Family Papers, 1821-2012 (majority within 1880-1952)8
- St. Andrew's Episcopal Church (Ann Arbor, Mich.) records, 1834-20148