| Author | Titles | | 1.
| Martischnig, Eva | 1 | | 2.
| Martius, Carl Friedrich Philipp von | 1 | | 3.
| Marto, Ana Catarina, 1977- | 0 | | 4.
| Author is: Marto, Catarina, 1977- | 5 | | 5.
| Marto, Cardozo | 1 | | 6.
| Marto, Catarina, 1977- | 5 | | 7.
| Marto, Gonçalo | 3 | | 8.
| Martocq, Bernard | 3 | | 9.
| Marton, Bruno | 1 | | 10.
| Marton, Paolo | 3 | | 11.
| Martonne, De | 1 |
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