Collection
- Arnold-Safford family papers, 1856-19921
- Arthur B. Hathaway papers, 1863-18811
- Arthur J. Tuttle Papers, 1849-1958 (majority within 1888-1944)1
- Arthur W. Haydon diaries, 1865-1879, 1888-19151
- Athletic Department (University of Michigan) records, 1860-20171
- Austin Blair Family Papers, 1849-1981 (majority within 1895-1920)1
- BMC Media Services records, 1851-20031
- Bach family papers, 1862-19431
- Baker-Marshall papers, 1806-1926 (majority within 1806-1853)1
- Barber G. Buell papers, 1760-1935 (majority within 1849-1899)1
- Bartlett family papers, 1839-19311
- Bell family (Oxford, Mich.) papers, 1853-1894, undated1
- Benjamin Brown collection, 1817-2000 (majority within 1829-1844)1
- Benjamin F. Graves papers, 1815-1950 (majority within 1848-1903)1
- Bethlehem United Church of Christ (Ann Arbor, Mich.) Records, 1833-19801
- Binney family papers, 1809-18941
- Birney-McClear-Hankerd family papers, 1835-19721
- Blake family papers, 1806-19841
- Blanchard Family Papers, circa 1835-circa 20001
- Board of Regents (University of Michigan) records, 1817-2016 (majority within 1899-2016)1