- R. Buckminster Fuller Collection, 1949/19786
- R. Harvey Chappell, Jr. Papers, 1950/198277
- RMC Faculty, Staff, and Alumni Files, 1818/202429
- 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, 1778/20059
- Railroad Timetables, 1880/1968, bulk 1915/19271
- Raleigh County Photographs for Pictorial History, 1880/1968, bulk 1890/19601
- Raleigh General Hospital Nurses Alumnae Association Records, 1940/20211
- Raleigh and Mercer Counties Photographs, 1870/2000, bulk 1910/19601
- Ralph Chesse papers, 1935/19752
- Ralph Chessé papers, 1935/19752
- Ralph Cohen papers and "New Literary History" records, 1948/201612
- Ralph Cohen papers, 1940/20133
- Ralph E. McCoy Collection, 1919/20014