- Manning, Richard Irvine, 1789-1836--Finance, Personal7
- Marion, Francis, 1732-1795--Correspondence2
- Mazyck, Daniel1
- Meat industry and trade--Accounting1
- Medicine, Military--United States--History--19th century1
- Medicine, Physical1
- Medicine--Accounting1
- Medicine--History--18th century1
- Medicine--United States--History1
- Medicine--United States--History--18th century3
- Medicine--United States--History--19th century4
- Moultrie, William, 1730-1805148
- Moultrie, William, 1730-1805--Correspondence134
- Personal1
- Plantations--South Carolina--Berkeley County--Management2
- Plantations--South Carolina--Management119
- Plantations--South Carolina--Records and correspondence117
- Postal service--Costs1
- Postal service--Economic aspects1
- Postal service--Rates1