| Artist | Titles | 1.
| Mozier, Joseph, 1812-1870, sculptor. | 27 | 2.
| Mozier, Joseph, 1812-1926, painter. | 1 | 3.
| Mozoliauskas, Ramojus, sculptor. | 1 | 4.
| Mozolicker, R., sculptor. | 1 | 5.
| Mruk, Walter, 1883-1942, painter. | 0 | 6.
| See: Mruk, Wladyslaw, 1883-1942, painter. | 8 | 7.
| Mruk, Wladyslaw, 1883-1942, painter. | 8 | 8.
| Mscoma Foundry, founder. | 6 | 9.
| Mt. Airy Granite Company, contractor. | 0 | 10.
| See: Mt. Airy Granite Cutting Company, contractor. | 2 | 11.
| Mt. Airy Granite Company, fabricator. | 0 | 12.
| See: Mt. Airy Granite Cutting Company, fabricator. | 1 | 13.
| Mt. Airy Granite Cutting Company, contractor. | 2 |
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