| Author | Titles | | 1.
| Spender, Stephen, 1909-1995 | 5 | | 2.
| Spengler, Anne | 1 | | 3.
| Spengler, Oswald, 1880-1936 | 3 | | 4.
| Spengler, Tilman | 1 | | 5.
| Spenlé, Jean-Édouard | 2 | | 6.
| Spens, Michael | 5 | | 7.
| Spenser, Edmund | 1 | | 8.
| Sperandio, Christopher, 1965- | 1 | | 9.
| Speransky, Valenty | 1 | | 10.
| Speranza, Franca | 1 |
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