| Author | Titles | | 1.
| Álvaro, Maite | 1 | | 2.
| Álvaro Perdigão, 1910-1994 | 0 | | 3.
| Author is: Perdigão, Álvaro, 1910-1994 | 40 | | 4.
| Álvaro Siza, 1933- | 0 | | 5.
| Author is: Siza, Álvaro, 1933- | 489 | | 6.
| Álvaro Siza, 1933- | 0 | | 7.
| Author is: Siza, Álvaro, 1933- | 1 | | 8.
| Álvaro Velho, 14--?-15--? | 1 | | 9.
| Alvaro X, pseud. | 1 | | 10.
| Álvaro Zamora, María Isabel, 1948- | 1 | | 11.
| Alvear, Helga de | 4 | | 12.
| Alvear, Juan Carlos, 19--?- | 1 | | 13.
| Alvellos, José | 2 |
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