- Louisiana (ship).1
- Maritime law--Massachusetts1
- Maritime law--United States--Manuscripts--Facsimiles1
- McMaster, George Hunter--Correspondence1
- McMaster,Mrs. Rachel Buchanan--Correspondence1
- Medicine1
- Mellichamp, Joseph Hinson, 1829-19031
- Memorandums1
- Memorials1
- Military history1
- Military intelligence1
- Military weapons1
- Militia1
- Mines and mineral resources--South Carolina1
- MonumentsStatues1
- Morris Island, Battle of, S.C., 1863 (July 10-September 7)1
- Nephews1
- New Orleans (La.)--History--Capture, 1862.1
- New Orleans (La.)--History--Civil War, 1861-1865--Personal narratives, Confederate.1
- Newspapers1