| Author | Titles | | 1.
| Alvito, Luís | 1 | | 2.
| Alvoeiro, Luís | 2 | | 3.
| Alvor, Condessa de | 1 | | 4.
| Alvor, Rui de, pseud. | 0 | | 5.
| Author is: Cabral, António, 1863-1956 | 67 | | 6.
| Alys, Francis, 1959- | 16 | | 7.
| Alÿs, Francis, 1959- | 0 | | 8.
| Author is: Alys, Francis, 1959- | 16 | | 9.
| Alzaga Ruiz, Amaya | 2 | | 10.
| Al-Zaqqaq, Ibn | 1 | | 11.
| Alzina, Luís, | 1 | | 12.
| Alzola Domingo, Carmen | 1 |
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