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