- McCrory, Henry Lawrence, b. 1863--Biography.1
- McMaster, Doctor James Riley--Correspondence1
- McMaster, Dr. James Riley--Correspondence1
- McMaster, Fitz William--Correspondence2
- McMaster, George Hunter--Correspondence13
- McMaster, James Riley--Correspondence1
- McMaster, Rachel Buchanan--Correspondence4
- McMaster, Richard Nott--Correspondence1
- McMaster,Mrs. Rachel Buchanan--Correspondence2
- McMaster,Richard Nott--Correspondence1
- Medical College of South Carolina (1824-1838)--Dissertations1
- Medical College of the State of South Carolina--Dissertations11
- Methodists--South Carolina1
- Military railroads--South Carolina--Maps1
- Military railroads--United States--Maps1
- Milling, David--Correspondence1
- Milling, Mrs. David--Correspondence1
- Mineral water industry--South Carolina--Fairfield County4
- Mizell, M. Hayes1
- Monticello (S.C.)1