- Magnolia Cemetery (Charleston, S.C.)1
- Magnolia Gardens (Charleston, S.C.)1
- Marl--South Carolina.1
- Martial law--Confederate States of America1
- McCord, David J., 1779-18641
- McCrady, Edward, 1833-1903--Correspondence1
- Medical University of South Carolina--History1
- Medicines, Popular1
- Memorial Day1
- Mexico--Politics and government--1821-18611
- Military ceremonies, honors, and salutes--South Carolina--Charleston1
- Military courts--United States--History1
- Military supplies--South Carolina--History--19th century--Sources1
- Miller, Stephen Decatur, 1787-1838--Correspondence1
- Mints--United States--History1
- Misselwarden (Germany)--Relations--South Carolina--Walhalla1
- Mollusks, Fossil.1
- Morris Island, S. C.1
- Mt. Pleasant and Sullivan's Island Ferry Company (S.C.) Mount Pleasant Ferry Company (S.C.) New Brighton Hotel (Sullivan's Island, S.C.)--Pictorial works1
- Music--South Carolina--Charleston--Social aspects1