| Autor | Títulos | 1.
| Spitzer, Thierry | 1 | 2.
| Spitzing, Gunter | 1 | 3.
| Spitzmuller, Anna | 1 | 4.
| Spivey, Nigel | 3 | 5.
| Spix, Johann Baptist von | 1 | 6.
| Spnecer, Herbert | 1 | 7.
| Spock, Richard | 1 | 8.
| Spodek, Bernard | 2 | 9.
| Spodek, Howard | 1 | 10.
| Spoelberch de Lovenjoul, Visconde de, 1836-1907 | 1 |
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