| Author | Titles | | 1.
| Sydenham, Edward Allen, 1873-1948 | 22 | | 2.
| Sydler, Jean-Pierre | 1 | | 3.
| Sydney L. Moss Limited (Londres, Grã-Bretanha) | 0 | | 4.
| Author is: Sydney L. Moss (Londres, Grã-Bretanha ) | 1 | | 5.
| Sydney L. Moss (Londres, Grã-Bretanha ) | 1 | | 6.
| Sydow, Frank | 1 | | 7.
| Syfer-d'Olne, Pascale | 1 | | 8.
| Sygietynska, Hanna | 1 | | 9.
| Sykes, Christopher Simon | 2 | | 10.
| Sykes, Egerton | 2 | | 11.
| Sykes, John | 1 |
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