| Author | Titles | 1.
| Ducourau, Vincent | 1 | 2.
| Ducoure, Verónica | 1 | 3.
| Ducourtial, Claude | 1 | 4.
| Ducret, Siegfried | 1 | 5.
| Ducreux, Danielle Blot, 19-- | 1 | 6.
| Ducrey, Marina | 3 | 7.
| Ducrey, Pierre 1938- | 1 | 8.
| Ducrocchi, Emanuele | 1 | 9.
| Ducrocq, Albert, 1921- | 2 | 10.
| Ducros, Alain | 1 |
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