| Author | Titles | | 1.
| Ferro, Bernardo | 1 | | 2.
| Ferro Couselo, Jesus | 1 | | 3.
| Ferro, Fernando Mão de | 4 | | 4.
| Ferro, Francisco, 1954- | 4 | | 5.
| Ferro, Gaetano, 1925- | 3 | | 6.
| Ferro, Gudmundur Gudmundsson pseud. | 0 | | 7.
| Author is: Erró | 6 | | 8.
| Ferro, Inês | 1 | | 9.
| Ferro, João | 2 | | 10.
| Ferro, João Pedro | 2 | | 11.
| Ferro, José Paulo, 1955- | 19 |
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