- Landsford Canal (Chester County, SC)--Pictorial works1
- Laurensville Female College (Laurens, S.C.)1
- Livestock exhibitions1
- Long, Julia, 1918-2011--Interviews.1
- Long, Lawrence W. -1985.1
- Lowrys (S.C.)--Maps1
- Manning, John L. (John Lawrence), 1816-18891
- Medical College of South Carolina (1824-1838)--Dissertations1
- Medical education--South Carolina1
- Methodist Episcopal Church, South. South Carolina Conference. Richburg Circuit1
- Military railroads--South Carolina--Maps1
- Military railroads--United States--Maps1
- Military weapons--South Carolina1
- Moores, Mary Lunsford Douglass--1900--Death1
- Moores, Mary Lunsford Thorn1
- Moores, Mary Lunsford Thorn--Correspondence1
- Mortgages1
- Newman, I. DeQuincey (Isaiah DeQuincey), 1911-1985, Great Falls (S.C)1
- Old Catholic Presbyterian Church (Chester County, SC)--Pictorial works1
- Orphans--South Carolina1