| Author | Titles | | 1.
| Peraile Izquierdo, Isabel | 1 | | 2.
| Peral, Abílio | 1 | | 3.
| Peral, Carlos del | 1 | | 4.
| Perales Piqueres, Rosa | 4 | | 5.
| Peralta, António, 1919-1984 | 1 | | 6.
| Peralta, Carolina | 2 | | 7.
| Peralta, Catarina | 1 | | 8.
| Peralta, Elsa | 1 | | 9.
| Peralta, João | 1 | | 10.
| Peralta, José | 2 |
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