Collection
- Ameinu Detroit records, 1928-20091
- American Association of University Professors, University of Michigan Chapter, records, 1926-19951
- American Association of University Women, Ann Arbor and Ypsilanti Branch records, 1902-20181
- American Chemical Society, University of Michigan Section records, 1900-1962 (majority within 1912-1962)1
- American Council on Alcohol Problems Records, 1883-2015 (majority within 1920s-1960s)1
- American Legion Auxiliary, Department of Michigan records, 1917-2008 (majority within 1933-2005)1
- American Legion, Department of Michigan records, 1919-19991
- American Legion. Auxiliary. Erwin Prieskorn Unit #46 (Ann Arbor, Mich.) records, 1921-1992 (majority within 1970-1985)1
- American National Red Cross, Washtenaw County Chapter records, 1916-19761
- Amos R. Green Papers, 1932-19671
- Anatomical Donations Program (University of Michigan) Records, 1881-19801
- Ancient Order of Gleaners, Primrose Arbor record books, 1906-1917, 1928-19351
- Andrew Babicki collection, 1916-19361
- Andrew Cunningham McLaughlin papers, 1881-19471
- Andy Kirk papers, 1923-1991 (majority within 1935-1950)1
- Angela Morgan Papers, 1861-19571
- Angus M. Babcock papers, 1908-1975 (scattered dates)1
- Ann Arbor (Mich.) Fire Department records, 1850-19621
- Ann Arbor (Mich.) records, 1830-20021
- Ann Arbor - Washtenaw Council of Churches records, 1928-19691