| Author | Titles | 1.
| Aguirregoitia Arechavaleta, Antón | 1 | 2.
| Agulhon, Maurice, 1926-2014 | 5 | 3.
| Agulló, Francesc | 1 | 4.
| Agullo y Cobo, Mercedes | 1 | 5.
| Agulu, Chika Okeke-, 1966- | 0 | 6.
| Author is: Okeke-Agulu, Chika 1966- | 1 | 7.
| Agúndez García, José Antonio | 3 | 8.
| Agusta, Margaret | 2 | 9.
| Agustí, Anna | 1 | 10.
| Agustin Goytisolo, Jose | 1 | 11.
| Agut, Pep, 1961- | 2 |
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