Collection
- Democratic Party of Michigan records, 1932-2008 (majority within 1950-1994)1
- Detroit News Lansing Bureau records, 1931-19721
- Donald S. Leonard Papers, 1925-19661
- Dorothy Leonard Judd Papers, 1935-19741
- Earl C. Michener papers, 1898-1934, 1940-1954 (majority within 1904-1934)1
- Edward N. Hartwick Papers, 1898-1978 (majority within 1940-1960)1
- Emerson R. Boyles papers, 1879-1911, 1931-19601
- Frank A. Picard papers, 1907-19631
- Frank D. Beadle papers, 1951-19721
- Frank D. McKay Papers, 1909-19651
- Frank G. Millard Papers, 1904-19761
- Fred L. Crawford papers, 1925-19531
- G. Mennen Williams and Nancy Quirk Williams oral history project, 1980-19821
- G. Mennen Williams papers, 1883-1988 (majority within 1958-1980)1
- George Murphy papers, 1911-19611
- George Wahr Sallade papers, 1952-19931
- Harriett Phillips papers, 1952-19781
- Helen W. Berthelot papers, 1948-19961
- Homer Ferguson Papers, 1939-19761
- Howard Cyrus Lawrence Papers, 1916-19661