| Author | Titles | | 1.
| Dufour, Médéric | 1 | | 2.
| Dufour, Pierre | 1 | | 3.
| Dufour, Raoul | 1 | | 4.
| Dufour, Xavier Léon | 1 | | 5.
| Dufourcq, Charles-Emmanuel | 1 | | 6.
| Dufourcq, Norbert | 7 | | 7.
| Dufour-Kowalska, Gabrielle | 1 | | 8.
| Dufournet, Bernard, 19--?- | 1 | | 9.
| Dufournet, Jean | 1 | | 10.
| Dufournet, Paul | 1 |
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