Collection
- Charles Moore papers, 1901-19401
- Charles Rasch Collection, 1890-2011 (majority within 1953-2005)1
- Charles Thomas Jr. Papers, 1965-1994 (majority within 1968-1980)1
- Charles William Ungermann papers, 1915-19671
- Charles and Richard Alden scrapbooks, 1885-18931
- Chase S. Osborn Papers, circa 1870-1949 (majority within 1889-1949)1
- Chauncey E. Spencer Papers, 1914-20061
- Children's Fund of Michigan, records, 1929-1965 (majority within 1929-1961)1
- Chrystal G. Tibbs papers, circa 1890-2015 (majority within 1960-2013)1
- Church Women United In Michigan records, 1929-20111
- Church Women United in Chelsea records, 1961-19921
- Church Women United in Grand Rapids records, 1925-2009 (with gaps)1
- Clara Hadley Wait papers, 1893-2001 (majority within 1893-1919)1
- Clara Marian Wheeler papers, 1874-19481
- Cleland B. Wyllie papers, 1926-19791
- Clifford Keen Papers, 1925-19851
- Coffin family and Mathew Doyle journal and album, 1828, 1852-1888 (majority within 1852)1
- Collegiate Sorosis (University of Michigan) records, 1886-19911
- Committee on Legislation for the International Exposition of 1892 minutes and scrapbook, 1889-18901
- Corinne K. Lurton scrapbook, 1914-19291