| Author | Titles | 1.
| Spinelli, Manlio Maria | 1 | 2.
| Spinelli, Ricardo | 1 | 3.
| Spinelli, Riccardo | 1 | 4.
| Spinelli, Vincenzo, 1896-1973 | 3 | 5.
| Spinger, Lynn E. | 1 | 6.
| Spingfeldt, Björn | 1 | 7.
| Spini, Giorgio | 1 | 8.
| Spink, Michael | 1 | 9.
| Spink, Nesta R. | 1 | 10.
| Spink, Reginald | 1 |
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