| Author | Titles | | 1.
| Dufour-Kowalska, Gabrielle | 1 | | 2.
| Dufournet, Bernard, 19--?- | 1 | | 3.
| Dufournet, Jean | 1 | | 4.
| Dufournet, Paul | 1 | | 5.
| Dufrêne, Bernadette | 1 | | 6.
| Dufrêne, François, 1930-1982 | 4 | | 7.
| Dufrène, Gérard | 2 | | 8.
| Dufrêne, Thierry, 1957- | 7 | | 9.
| Dufrenne, Jean-Marc | 2 | | 10.
| Dufrenne, Mikel | 10 |
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