| Author | Titles | 1.
| Barbosa, Nuno Ventura | 3 | 2.
| Barbosa, Orlando | 1 | 3.
| Barbosa, Patrícia | 1 | 4.
| Barbosa, Paula maciel | 1 | 5.
| Barbosa, Paulo Duarte | 1 | 6.
| Barbosa, Pedro, | 2 | 7.
| Barbosa, Pedro, 1950- | 7 | 8.
| Barbosa, Pedro Gomes, 1951- | 4 | 9.
| Barbosa, Pires | 2 | 10.
| Barbosa, Plácido | 1 |
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