| Author | Titles | 1.
| Monkhouse, Christopher P. | 3 | 2.
| Monkhouse, Cosmo, 1840-1901 | 0 | 3.
| Author is: Monkhouse, W. Cosmo, 1840-1901 | 1 | 4.
| Monkhouse, W. Cosmo, 1840-1901 | 1 | 5.
| Monkhouse, William. Cosmo, 1840-1901 | 0 | 6.
| Author is: Monkhouse, W. Cosmo, 1840-1901 | 1 | 7.
| Monloubou, Louis | 1 | 8.
| Monmarché, Marcel, 1872-1945 | 8 | 9.
| Monnaies et médailles S.A., (Basileia, Suíça) | 0 | 10.
| Author is: Münzen und Medaillen A.G., (Basileia, Suíça) | 4 | 11.
| Monnard | 1 | 12.
| Monnard, Jacques | 1 | 13.
| Monnas, Lisa | 1 |
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