Collection
- Satakunta Region immigrant letters, 1880-19642,625
- Robert Kalmbach photograph collection, 1960-2000 (majority within 1969-1999)2,602
- Camp Al-Gon-Quian (Burt Lake, Mich.) records, 1925-19672,598
- Harlan Henthorne Hatcher Papers, 1837-1998 (majority within 1891-1986)2,570
- Penn Central Transportation Company Records, 1835-1981 (majority within 1835-1960)2,505
- Office of Academic Human Resources (University of Michigan) promotion casebooks, 1961-20232,489
- Department of Afroamerican and African Studies (University of Michigan) records, 1966-2010 (majority within 1970-1994)2,479
- Sam Sturgis photograph collection, 1860s-1970s2,455
- News and Information Services (University of Michigan) photographs, 1946-20062,396
- Gunnar Birkerts papers, 1930-20172,395
- Jens Jensen drawings and papers, 1903-1951 (majority within 1910-1934)2,373
- Gerald L. K. Smith Papers, 1922-19762,319
- A. Alfred Taubman College of Architecture and Urban Planning (University of Michigan) records, 1876-20112,300
- University of Michigan student portraits, circa 1860-1950 (majority within 1870-1920)2,287
- Bentley Historical Library records, 1919 - 2023 (majority within 1970 - 2013)2,205
- William D. Ford papers, 1955-1995 (majority within 1965-1995)2,151
- Center for the Education of Women (University of Michigan) records, 1919-2024 (majority within 1963-1999)2,119
- Vice President for Development (University of Michigan) records, 1948 - 20042,088
- Institute for Social Research (University of Michigan) records, 1936-2017 (scattered) (majority within 1946-2010)2,086
- College of Engineering (University of Michigan) records, 1860-20142,083