- R. Doyne Halbritter, Collector, Preston County Material, 1761/19371
- R. Emmett Mockler Papers, 1900/19591
- R. Leonard Thompson Miscellaneous Postcards, 1907/19451
- R.E. Lee Camp, No. 1, Confederate Veterans Papers (SC-21), 1885/19582
- RMC Faculty, Staff, and Alumni Files, 1818/20248
- Rachel H. Thomas, Student, Memory Book Regarding Student Days at Marshall College, 1931/2011, bulk 1931/19391
- Racial and Ethnic Ephemera Collection, 1778/200516
- Railroad Timetables, 1880/1968, bulk 1915/19271
- Railway mortgage certificates, 1880/19371
- Raleigh County Military and Church Records, 1908/1959, bulk 1947/19591
- Raleigh County Photographs for Pictorial History, 1880/1968, bulk 1890/19601
- Raleigh and Mercer Counties Photographs, 1870/2000, bulk 1910/19601
- Ralph Chesse papers, 1935/19756
- Ralph Chessé papers, 1935/19756
- Ralph E. McCoy Collection, 1919/20011