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