- Jerome, M. K. (Maurice K.), 1893-1977 8
- Kalis, Bill8
- Keith, Matthew J., 1791-18638
- Kilburn, B. W. (Benjamin West), 1827-19098
- Kirkpatrick, John8
- Lange, Arthur, 1889-19568
- Lavin, Lora8
- Leevy, Isaac Samuel, 1876-19688
- Lourie, Isadore Edward, 1932-20038
- Lyles, Bissett, Carlisle & Wolff8
- McFarland, May E.8
- Medical College of South Carolina8
- Medical College of South Carolina (1824-1838)8
- Meredith, T.8
- Meriden Gravure Company8
- Merrimack Post Card Co.8
- Metz, G.E.8
- Miller, John B. (John Blount), 1782-18518
- Montgomery, Mabel (photographer)8
- Morse Yellow Dock Root Syrup Co.8