- Liberty1
- Libraries2
- Liquids1
- Littlejohn, James C. (James Corcoran), 1888-19591
- Lost architecture1
- Main Building (Clemson, S.C.)1
- Manufacturing processes1
- Marriage1
- Martin, Samuel Maner, 1875-19591
- McNabb, Emmett1
- Measurement1
- Medicine--History--19th century1
- Military education1
- Mills Mill (Greenville, S.C.)12
- Mills Mill Grammar School (Greenville, S.C.)4
- Mills, Otis Prentiss (1840-1915)1
- Miniature golf1
- Molasses1
- Monaghan Baptist Church (Greenville, S.C.)4
- Monaghan Grammar School (Greenville, S.C.)4