| Author | Titles | | 1.
| Duby, Georges, 1919-1997 | 39 | | 2.
| Duc Viollet Le, 1781-1857 | 0 | | 3.
| Author is: Viollet-le-Duc, Emmanuel Louis Nicolas, 1781-1857 | 1 | | 4.
| Duca di Bonito, Garofalo | 1 | | 5.
| LoDuca, J.-M. | 1 | | 6.
| Duca, Lo | 1 | | 7.
| Ducamp, Emmanuel | 8 | | 8.
| Ducassé, Pierre, 1813-1893 | 4 | | 9.
| Ducat, Jean | 1 | | 10.
| Ducat, Philippe | 5 | | 11.
| Ducati, Pericle | 4 |
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