| Author | Titles | | 1.
| Siewierski, Henryk | 1 | | 2.
| Siffredi, Eleonora, 1944- | 1 | | 3.
| Sigal, Lisa | 1 | | 4.
| Sigal, Patrick | 1 | | 5.
| Sigalas, Laurence | 1 | | 6.
| Sigal-Klagsbald, Laurence | 1 | | 7.
| Siganos, André | 2 | | 8.
| Siganos, Nicole | 5 | | 9.
| Sigaux, Gilbert | 2 | | 10.
| Sigea de Velasco, Luisa | 1 |
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