| Author | Titles | 1.
| Martens, Georg Friedrich von, 1756-1821 | 1 | 2.
| Martens, Hans | 1 | 3.
| Martens, Janno | 1 | 4.
| Martens, Luc | 1 | 5.
| Martens, Maximiliaan P. J. | 1 | 6.
| Marter, Joan M. | 2 | 7.
| Martersteig, Max | 1 | 8.
| Martet, Jean | 3 | 9.
| Martha, Álvaro | 1 | 10.
| Martha, Cardoso, 1882-1958 | 0 | 11.
| Author is: Marta, Cardoso, 1882-1958 | 16 |
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