| Autor | Títulos | 1.
| Clapham, Alfred W. | 3 | 2.
| Clapham, David | 1 | 3.
| Clapham, Rachel Lois | 2 | 4.
| Clapiers, Luc de | 1 | 5.
| Clapp, Anne de Coursey | 1 | 6.
| Clapshaw, Karel | 33 | 7.
| Clar, Maria | 1 | 8.
| Clara, Fernando | 1 | 9.
| Clara, Francisco de Paula Santa | 1 | 10.
| Clara, Franco | 1 |
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