| Author | Titles | 1.
| Porte, Sabine | 1 | 2.
| Porteau, Paul | 1 | 3.
| Portela, Adolfo | 2 | 4.
| Portela, Ana Margarida Domingues, 1974- | 2 | 5.
| Portela, António | 3 | 6.
| Portela, António Gouvêa | 0 | 7.
| Author is: Portela, António Gouveia | 2 | 8.
| Portela, António Gouveia | 2 | 9.
| Portela, Armando | 1 | 10.
| Portela, Artur, 1901-1959 | 26 | 11.
| Portela, Artur, 1937- | 27 |
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