- M. Hayes Mizell Papers4
- Mamie E. Garvin Fields Papers, 1894 - 19871
- Maxcy Gregg Papers, 1835-1888.1
- Midlands Memories1
- Minutes of the Annual Conferences of the Baptist, Episcopal, Lutheran, Methodist, and Presbyterian Churches in South Carolina, 1785-192015
- Personnel and Ranger Activities of Kings Mountain National Military Park396
- Postcards of the Midlands1
- Primary Sources for K-12, Pilot Project5
- Proclamations, Politics, and Commerce: Broadsides from the Colonial Era to the Present at the South Caroliniana Library6
- Richard Furman and James C. Furman Collection4
- Russell Maxey Photograph Collection7
- Sanborn Fire Insurance Maps of South Carolina21
- Sargeant Studios1
- South Carolina Aerial Photograph Indexes, 1937-19899
- South Carolina Baptist Church Records3
- South Carolina Bookmobiles Collection6
- South Carolina Children's Library Services Collection4
- South Carolina Department of Transportation County Road Maps18
- South Carolina Fall Line Collection7
- South Carolina Hospital Postcards2