| Author | Titles | | 1.
| Adrichem, Jan van | 4 | | 2.
| Adrien, Philippe | 1 | | 3.
| Adunis, 1930- | 0 | | 4.
| Author is: Adonis, pseud. | 3 | | 5.
| Adureira, Carlos, pseud. | 0 | | 6.
| Author is: Amorim, António Guedes de, 1901-1979 | 24 | | 7.
| ADVC - Asociación de Diseñadores de la Comunidad Valenciana (Valência, Espanha) | 1 | | 8.
| Adverbum | 4 | | 9.
| Advocaat, Gunvor | 1 | | 10.
| Adzak, Roy, 1927-1987 | 1 | | 11.
| Aeberli, Irene | 6 | | 12.
| Aebi, David | 1 |
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