Collection
- Mitchell King Atlas, 1662-16952
- Modjeska Simkins Papers, 1909-1992167
- Modjeska Simkins: In Her Own Words33
- Morris College Digital Collections40
- Moses Family Papers46
- Mrs. William Timmons Receipt Book, 183138
- Mulberry Castle: Land of My Dreams1
- Mulberry Plantation Journals, 1853-1908 (bulk 1853-1889)295
- Muster Roll and Orders to the Commissary, 1772-17818
- Nathaniel Russell House Museum Collection7
- Native American South Carolina Digital Archive206
- Natural Histories of Irvin Department of Rare Books1
- Natural History Collections4
- Neves Family Letters66
- New Insights in the American Civil Rights Movement: South Carolina Council on Human Relations Records409
- New South Newspaper64
- New insights in the American Civil Rights Movement: South Carolina Council on Human Relations records1
- Newsletters and Pamphlets262
- No problems, only challenges : the autobiography of Theodore S. Stern1
- North of the Broad River2