| Autor | Títulos | | 1.
| Arrenega, António | 7 | | 2.
| Arreola-Burns, Pita | 1 | | 3.
| Arrepia, João | 2 | | 4.
| Arrhenius, Lars, 1966- | 1 | | 5.
| Arrhenius, Sara | 1 | | 6.
| Arrhenius, Svante, 1859-1927 | 3 | | 7.
| Arriaga, Gardy de, 1915- | 2 | | 8.
| Arriaga, Iria | 1 | | 9.
| Arriaga, José de, 1848-1921 | 5 | | 10.
| Arriaga, Manuel de, 1840-1917 | 8 |
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