| Author | Titles | | 1.
| Roballo, Fernando | 1 | | 2.
| Robalo, Alice, 1925- | 1 | | 3.
| Robalo, Cristina, 1969- | 10 | | 4.
| Robalo, Gonçalo | 1 | | 5.
| Robalo, Isabel, 19--?- | 1 | | 6.
| Robalo, L., 1951- | 0 | | 7.
| Author is: Robalo, Lurdes, 1951- | 7 | | 8.
| Robalo, Lurdes, 1951- | 7 | | 9.
| Robalo, Maria de Lurdes Conceição, 1951- | 0 | | 10.
| Author is: Robalo, Lurdes, 1951- | 7 | | 11.
| Robalo, Mário | 4 | | 12.
| Robalo, Paulo, 1966- | 3 |
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