Collection
- Mattoon Presbyterian Church6
- Mattoon Presbyterian Church 53
- Maynard Pearlstine Travel Albums and Sketches, 1936-200624
- Mayors of Columbia35
- Mazyckborough-Wraggborough Photograph Survey37
- McLeod Family Papers, 1873-1990 (bulk 1900-1965)784
- Medical College Expansion Program Lantern Slides,1
- Medical College Expansion Program Lantern Slides, 1954-1974198
- Metchicas and Kehayas Family Letters30
- Middleton Family Art Work, 1803-18671
- Midlands Memories929
- Midlands Memories 5
- Midlands Memories 3
- Millicent E. Brown Papers, 1949 - 200326
- Mills Family of Greenville149
- Mills Mill417
- Miriam DeCosta Seabrook and Herbert U. Seabrook Papers, 1882-199560
- Miscellaneous Textiles2
- Monaghan Mill260
- Moonshine15