| Author | Titles | 1.
| Graça, Miguel | 1 | 2.
| Graça, Miguel Silva, 19--?- | 1 | 3.
| Graça Morais, 1948- | 0 | 4.
| Author is: Morais, Graça, 1948- | 106 | 5.
| Graça Moura, Vasco, 1942-2014 | 0 | 6.
| Author is: Moura, Vasco Graça, 1942-2014 | 84 | 7.
| Graça P. Coutinho, 1949- | 0 | 8.
| Author is: Coutinho, Graça Pereira, 1949- | 28 | 9.
| Graça P. Coutinho, 1949- | 0 | 10.
| Author is: Coutinho, Graça Pereira, 1949- | 1 | 11.
| Graça, Paulo Lopes | 1 | 12.
| Graça, Pedro | 1 | 13.
| Graça Pereira Coutinho, 1949- | 0 | 14.
| Author is: Coutinho, Graça Pereira, 1949- | 28 | 15.
| Graça Pereira Coutinho, 1949- | 0 | 16.
| Author is: Coutinho, Graça Pereira, 1949- | 1 |
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