| Author | Titles | 1.
| Clapshaw, Karel | 33 | 2.
| Clar, Maria | 1 | 3.
| Clara, Fernando | 1 | 4.
| Clara, Francisco de Paula Santa | 1 | 5.
| Clara, Franco | 1 | 6.
| Clara, Isabel Santa | 1 | 7.
| Clará, José, 1878-1958 | 1 | 8.
| Clara Menéres, 1943-2018 | 0 | 9.
| Author is: Menéres, Clara, 1943-2018 | 21 | 10.
| Clara Simo, Isabel | 3 | 11.
| Clarà y Ayats, Josep 1878-1958 | 1 |
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