| Author | Titles | | 1.
| Spronk, Ron | 1 | | 2.
| Sprott, W. J. H. | 0 | | 3.
| Author is: Sprott, Walter John Herbert | 2 | | 4.
| Sprott, Walter John Herbert | 2 | | 5.
| Sprotte, S., 1913-2004 | 0 | | 6.
| Author is: Sprotte, Siegward, 1913-2004 | 3 | | 7.
| Sprotte, Siegward, 1913-2004 | 3 | | 8.
| Sproxton, David | 1 | | 9.
| Spuler, Bertold | 2 | | 10.
| Spurlin, Paul M. | 1 | | 11.
| Spurling, Hilary | 2 | | 12.
| Spurr, Jeff | 0 | | 13.
| Author is: Spurr, Jeffrey B. | 2 |
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