| Author | Titles | | 1.
| Académie Royale des Beaux-Arts de Bruxelles | 1 | | 2.
| Académie Royale des Sciences, des Lettres et des Beaux-Arts de Belgique | 1 | | 3.
| Académie Tunisienne des Sciences, des Lettres et des Arts Beit-al-Hikma (Cartago, Tunísia) | 1 | | 4.
| Academy of Arts (Hawai, Estados Unidos) | 1 | | 5.
| Academy of Arts of the USSR (Leningrado, Rússia) | 1 | | 6.
| A.calpi, 1952- | 0 | | 7.
| Author is: Calpi, António, 1952- | 2 | | 8.
| Acanfora, Massimo | 3 | | 9.
| Acanto (Firma de Arquitectura) | 1 | | 10.
| AcApA - Association du Centre d'Arts Plastiques d'Angoulême (França) | 1 | | 11.
| ACARTE (Lisboa, Portugal) | 0 | | 12.
| Author is: Fundação Calouste Gulbenkian. ACARTE (Lisboa, Portugal) | 390 |
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