Collection
- Calvin D. Fowler collection, 1941-20131
- Calvin Patterson Research Collection, 1968-2009, Date acquired: 05/27/20111
- Cantonment Rotary Club Records, 1948-2003, Date acquired: 01/30/19851
- Cantor Ackerman Collection, 1902-2004, bulk 1954-19901
- Carey Hand Funeral Home Records, 1891-19551
- Catherine Black transcript, 1922-2010, Date of interview: November 30, 2010, Date accessioned: 2020-05-151
- Charles Crampton papers, 1943-2006, Date acquired: 01/23/20061
- Charles E. Barnes Collection, 1979-20071
- Charles F. Pfeifer collection, 1944-2016, Date acquired: 06/30/20171
- Charles F. Silzer collection, 1941-2019, Date accessioned: 2019-11-05, bulk 1944-19451
- Charles Julian Fussell Collection, 1950-20001
- Charles Julian Fussell Collection, 1950s-2000s1
- Charles Mahan Public Health posters collection, 1995-20061
- Charles Sheffield papers, 1977-20021
- Charles W. "Chuck" Bovay Collection, 1984-20161
- Charles W. Arnade papers, 1957-2006, Date acquired: 00/00/20061
- Child of the Sun Jazz Festival, 1988-20071
- Children's and Young Adult Ephemera collection, bulk 1985-20221
- Christopher M. Still collection, 1978-2007, Date acquired: 09/05/2006, bulk 1978-20071
- Church of Jesus Christ of Latter Day Saints Records, 1978-2005, Date acquired: 06/00/20061