| Author | Titles | | 1.
| Casanova, Rossend | 3 | | 2.
| Casanova, Rui, pseud. | 0 | | 3.
| Author is: Queirós, Carlos, 1907-1949 | 33 | | 4.
| Casanova, Tiago, 1988- | 10 | | 5.
| Casanova, Tiago Miguéis, 1988- | 0 | | 6.
| Author is: Casanova, Tiago, 1988- | 10 | | 7.
| Casanova, Vera Lúcia Carvalho | 1 | | 8.
| Casanovas, Francisco de | 2 | | 9.
| Casanovas, Luís Efrem Elias, 1926- | 2 | | 10.
| Casanovas, M. Antonia | 1 | | 11.
| Casanovas Soley, Mireia | 3 | | 12.
| Casanoves, Esteve, 1954- | 1 |
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