| Author | Titles | | 1.
| AIP - Associação Industrial Portuense (Porto, Portugal) | 1 | | 2.
| AIP - Associação Industrial Portuguesa (Lisboa, Portugal) | 6 | | 3.
| Airaghi, Piero | 1 | | 4.
| Airas de Santiago, Joan | 1 | | 5.
| Airaud, Bruno | 1 | | 6.
| Aires, Cristóvão, 1853-1930 | 23 | | 7.
| Aires, Eduardo, 1963- | 8 | | 8.
| Related author: Eduardo Aires Design (Firma de Design) | 3 | | 9.
| Aires, Eduardo Filipe Valente Cunha da Silva, 1963- | 0 | | 10.
| Author is: Aires, Eduardo, 1963- | 8 | | 11.
| Aires, Frederico, 1887-1963 | 0 | | 12.
| Author is: Ayres, Frederico, 1887-1963 | 9 | | 13.
| Aires, Frederico Pereira, 1887-1963 | 0 | | 14.
| Author is: Ayres, Frederico, 1887-1963 | 9 |
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