Creator
- Madison, James, 1749-18121
- Maedel, A. (Adolph)1
- Magnus, Charles1
- Malcolm, C. B.2
- Manning, Warren H. (Warren Henry), 1860-19382
- Margary, Harry1
- Mass Marketing Inc.1
- Massanutten Regional Library1
- Matthews-Northrup Company1
- Maugein, Charles1
- McGauhey, P. H. (Percy Harold)2
- McIlwaine & Smith, Engineers1
- Melish, John, 1771-18221
- Meurs, Jacob, 1619-16801
- Millar, Andrew, 1705-17681