| Author | Titles | | 1.
| Coty, François, 1874-1934 | 1 | | 2.
| Couat, Auguste | 1 | | 3.
| Couberc, J.-B. | 1 | | 4.
| Coubet, Gustave, 1819-1977 | 2 | | 5.
| Couceiro, A. Joana | 1 | | 6.
| Couceiro, António | 1 | | 7.
| Couceiro, Carlos Alberto Martins, 1930-2010 | 1 | | 8.
| Couceiro, Francisco, 1863-1940 | 1 | | 9.
| Couceiro, Gonçalo | 8 | | 10.
| Couceiro, Henrique de Paiva, 1861-1944 | 13 |
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