| Author | Titles | | 1.
| Caeiro, Olívio, 1921- | 5 | | 2.
| Caeiro, Rosário | 1 | | 3.
| Caeiro, Rui, 1943-2019 | 11 | | 4.
| Caenegem, R. C. van | 1 | | 5.
| Caenen, Lutgarde | 1 | | 6.
| Caen-Martin, Paule | 1 | | 7.
| Caesar, Claudia | 1 | | 8.
| Caessa, Ana Isabel de Sá | 1 | | 9.
| Caetano | 1 | | 10.
| Caetano, Alberto, 1959- | 12 |
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