| Author | Titles | | 1.
| Asín Palacios, Miguel, 1871-1944 | 13 | | 2.
| Asins, Elena, 1940-2015 | 1 | | 3.
| Asins Rodríguez, Elena, 1940-2015 | 0 | | 4.
| Author is: Asins, Elena, 1940-2015 | 1 | | 5.
| Asis Cabrero, Francisco de | 1 | | 6.
| Asís, Iñigo, 1969- | 1 | | 7.
| Asis, Jorge | 1 | | 8.
| Ask, Gilbert | 1 | | 9.
| Askana, Barbara | 1 | | 10.
| Askeland, J. | 1 | | 11.
| Áskelsdóttir, Margrét | 1 |
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