| Author | Titles | | 1.
| Sagredo Ezquerra, Nerea | 11 | | 2.
| Sagredo, Nerea | 14 | | 3.
| Sagredo Ormaza, Xabier | 3 | | 4.
| Sagstad, Egil | 1 | | 5.
| Sagstetter, Karen | 1 | | 6.
| Saguenail, 1955- | 0 | | 7.
| Author is: Saguenail, pseud. | 1 | | 8.
| Saguenail, pseud. | 1 | | 9.
| Saguer, Louis | 3 | | 10.
| Saguer, Teófilo | 1 | | 11.
| Sagües, Juan Ignacio | 1 |
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