| Author | Titles | 1.
| Arroyo, Eduardo, 1964- | 9 | 2.
| Arroyo, Francine | 1 | 3.
| Arroyo, José F. | 1 | 4.
| Arroyo, Marta | 1 | 5.
| Arroyo, Sergio Raúl | 1 | 6.
| Arroz, Celina Moura, 1951- | 1 | 7.
| Arruda, 1943- | 0 | 8.
| Author is: Arruda, Miguel, 1943- | 21 | 9.
| Arruda, Ana Margarida | 4 | 10.
| Arruda, André | 1 | 11.
| Arruda, Aydano | 1 |
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