| Author | Titles | | 1.
| Grilo, Eduardo Marçal, 1942- | 22 | | 2.
| Grilo, Elisa | 1 | | 3.
| Grilo, Fernando, 1962- | 6 | | 4.
| Grilo, Fernando Jorge, 1962- | 0 | | 5.
| Author is: Grilo, Fernando, 1962- | 6 | | 6.
| Grilo, Fernando Jorge Artur, 1962- | 0 | | 7.
| Author is: Grilo, Fernando, 1962- | 6 | | 8.
| Grilo, Gonçalo Marçal, 19--?- | 1 | | 9.
| Grilo, Ivan, 1986- | 2 | | 10.
| Grilo, J. Monteiro | 4 | | 11.
| Grilo, Joana Marçal, 1970- | 6 | | 12.
| Grilo, João Mário, 1958- | 21 |
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