| Author | Titles | 1.
| Arronches. Câmara Municipal. Centro Cultural | 1 | 2.
| Arronde, Alfredo | 1 | 3.
| Arroteia, Jorge | 3 | 4.
| Arroteia, Jorge Carvalho | 1 | 5.
| Arrouye, Jean | 5 | 6.
| Arrowsmith, Alexandra | 2 | 7.
| Arroyo, António, 1856-1934 | 0 | 8.
| Author is: Arroio, António, 1856-1934 | 27 | 9.
| Arroyo, António José, 1856-1934 | 0 | 10.
| Author is: Arroio, António, 1856-1934 | 27 | 11.
| Arroyo, Carlos, 1961- | 1 | 12.
| Related author: Carlos Arroyo y Eleonora Guidotti (Firma de Arquitectura) | 1 | 13.
| Arroyo, Eduardo, 1937-2018 | 10 |
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