Collection
- Pioneer Band Association records, 1912-2011 (majority within 1960s-2011)1
- President (University of Michigan) records, 1967-20151
- Raymond G. Mullins Papers, 1953-2015 (majority within 1970-1990)1
- Reconciliation Metropolitan Community Church collection, 1980-20051
- Revolutionary Cuba and Philippines collection, 1849-1925 (majority within 1895-1903)1
- Richard C. Frank papers, 1958-20041
- Richard I. Ford papers, 1968-2005 (majority within 1970-1990)1
- Richard L. Zurel papers, 1897-2011 (majority within 1956-2006)1
- Robby DeBoer Papers, 1977-2006 (majority within 1991-2006)1
- Robert C. Stempel papers, 1965-20071
- Robert F. Williams papers, 1948-20141
- Robert J. Shepard papers, 1968-19691
- Russ Marshall photograph collection, 1958-20161
- Russell M. Magnaghi collection, 1890s-2009 (majority within 1977-2009)1
- Sam Breck photograph collection, 1950s-1990s1
- Samuel Miller Brownell and Esther Delzell Brownell papers, 1900-20031
- School of Information (University of Michigan) records, 1904-2014 (majority within 1926-1994)1
- Second Baptist Church (Detroit, Mich.) Records, 1911-1989 (majority within 1926-1988)1
- Sherwin T. Wine papers, 1930s-20111
- Solar Car Team (University of Michigan) records, 1985-2009 (majority within 1989-2003)1