| Author | Titles | | 1.
| Ferro, Maria Manuela | 1 | | 2.
| Ferro, Maria Manuela Trindade | 1 | | 3.
| Ferro, Marita | 1 | | 4.
| Ferro, pseud. | 0 | | 5.
| Author is: Erró | 6 | | 6.
| Ferro, Rita | 1 | | 7.
| Ferro, Rui, 1971- | 1 | | 8.
| Ferro, Túlio Ramires | 7 | | 9.
| Ferron Geis, Miquel | 1 | | 10.
| Ferron, Jean | 2 | | 11.
| Ferroni, Daniele | 2 |
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