Collection
- American Council on Alcohol Problems Records, 1883-2015 (majority within 1920s-1960s)1
- Anatomical Donations Program (University of Michigan) Records, 1881-19801
- Andrew Cunningham McLaughlin papers, 1881-19471
- Andrew Dickson White lectures, 1861-19121
- Angela Morgan Papers, 1861-19571
- Ann Arbor (Mich.) Fire Department records, 1850-19621
- Ann Arbor (Mich.) records, 1830-20021
- Ann Arbor Public Schools Records, 1833-20111
- Ann Arbor Township Records, 1820s-19961
- Ann Arbor, Michigan photograph collection, 1860s-1970s1
- Anna Hoyt Memorandum Book, circa 1864-19501
- Anson De Puy Van Buren papers, 1846-18851
- Argus-Press records, 1862-2016 (majority within 1960-1990)1
- Arnold Transit Company records, 1854-1987 (majority within 1900-1970)1
- Arnold-Safford family papers, 1856-19921
- Arthur B. Hathaway papers, 1863-18811
- Arthur Brown family papers, circa 1873-19451
- Arthur H. Vandenberg papers, 1884-1974 (majority within 1915-1951)1
- Arthur Ingraham Martindale collection, 1852-2013 (majority within 1861-1880)1
- Arthur J. Tuttle Papers, 1849-1958 (majority within 1888-1944)1