| Author | Titles | | 1.
| Clarac-Serou, Max | 1 | | 2.
| Claramunt, Luis, 1951- | 2 | | 3.
| Clarasó, Noel | 5 | | 4.
| Clare, Henrietta | 1 | | 5.
| Clare, Preston | 1 | | 6.
| Clareboudt, Jean, 1944-1977 | 1 | | 7.
| Clarefond, Georges, 1920-1973 | 1 | | 8.
| Clarelli, Maria Vittoria Marini | 1 | | 9.
| Clarence, Helène | 1 | | 10.
| Claret Rubira, José | 4 |
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