| Author | Titles | | 1.
| Soénius, Ulrich S. | 1 | | 2.
| Soest, Marjo van | 1 | | 3.
| Soete, Thomas | 1 | | 4.
| Soeting, Margreeth | 1 | | 5.
| SOF (Paris, França) | 0 | | 6.
| Author is: Société Ornithologique de France (Paris) | 1 | | 7.
| Soffici, Ardengo | 1 | | 8.
| Sofia, Ana | 2 | | 9.
| Sofia Areal, 1960- | 0 | | 10.
| Author is: Areal, Sofia, 1960- | 38 | | 11.
| Sofia Lapa, 1968- | 0 | | 12.
| Author is: Lapa, Sofia, 1968- | 4 | | 13.
| Sofia martinez, Ana | 1 |
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