- R. Buckminster Fuller Collection, 1949/19786
- R. Harvey Chappell, Jr. Papers, 1950/198294
- RMC Faculty, Staff, and Alumni Files, 1818/202421
- Rabbi Serouski Record Book, 1947/19702
- Rachel H. Thomas, Student, Memory Book Regarding Student Days at Marshall College, 1931/2011, bulk 1931/19391
- Racial and Ethnic Ephemera Collection, 1778/200511
- Raleigh General Hospital Nurses Alumnae Association Records, 1940/20211
- Raleigh and Mercer Counties Photographs, 1870/2000, bulk 1910/19601
- Ralph Chessé papers, 1935/19752
- Ralph Cohen papers and "New Literary History" records, 1948/201631
- Ralph Cohen papers, 1940/20135
- Ralph E. McCoy Collection, 1919/20014
- Ralph Edwin "Ted" Spears, Jr., Compiler, Battelle-MacLane-Mendel-Spears Family Collection, 1848/2001, bulk 1860/19501
- Ralph Stambaugh papers, 1932/19732
- Randall S. Hawthorne Papers, 1935/2014, bulk 1980/200015