| Author | Titles | | 1.
| Sierra, Piero | 2 | | 2.
| Sierra Rafael | 1 | | 3.
| Síerra Restrepo, Alberto | 2 | | 4.
| Sierra Restrepo, Juan Camilo | 2 | | 5.
| Sierra, Santiago, 1966- | 9 | | 6.
| Sierra, Yolanda Peralta | 1 | | 7.
| Sierra-Delage, Marta | 2 | | 8.
| Siesbye, Alev Ebüzziya, 1938- | 1 | | 9.
| Sietsema, Paul, 1968- | 1 | | 10.
| Sieurin, J. 1809-1878 | 0 | | 11.
| Author is: Sieurin, M. J. 1809-1878 | 1 |
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