| Author | Titles | | 1.
| Arrojo Agudo, Pedro | 1 | | 2.
| Arronches. Câmara Municipal. Centro Cultural | 1 | | 3.
| Arronde, Alfredo | 1 | | 4.
| Arroteia, Jorge | 3 | | 5.
| Arroteia, Jorge Carvalho | 1 | | 6.
| Arrouye, Jean | 5 | | 7.
| Arrowsmith, Alexandra | 2 | | 8.
| Arroyo, António, 1856-1934 | 0 | | 9.
| Author is: Arroio, António, 1856-1934 | 27 | | 10.
| Arroyo, António José, 1856-1934 | 0 | | 11.
| Author is: Arroio, António, 1856-1934 | 27 | | 12.
| Arroyo, Carlos, 1961- | 1 | | 13.
| Related author: Carlos Arroyo y Eleonora Guidotti (Firma de Arquitectura) | 1 |
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