- Melton, Mary Helen Gore3
- Melton, Samuel Wickliffe, 1830-1899--Correspondence3
- Merchant ships1
- Methodists--South Carolina1
- Milford Baptist Church (Greenville County, S.C.)1
- Military camps1
- Military history1
- Milking1
- Mississippi--Maps2
- Missouri--Maps2
- Mollusks--South Carolina--Identification1
- Money2
- Money--Confederate States of America2
- Morris Island (S.C.)--Pictorial works1
- Mount Ararat Baptist Church (Cherokee County, S.C.)1
- Mount Carmel Baptist Church (Pickens County, S.C.)1
- Mount Moriah Baptist Church (Greenwood County, S.C.)1
- Mount Pisgah Baptist Church (Anderson County, S.C.)1
- Mountain Creek Baptist Church (Edgefield County, S.C.)1
- Mountain Springs Baptist Church (Anderson County, S.C.)1