| Author | Titles | | 1.
| Siza, Maria Antónia, 1940-1973 | 3 | | 2.
| Siza, Maria Teresa | 45 | | 3.
| Siza, Regina | 2 | | 4.
| Siza, Rita | 1 | | 5.
| Siza, Teresa | 0 | | 6.
| Author is: Siza, Maria Teresa | 45 | | 7.
| Siza Vieira, 1933- | 0 | | 8.
| Author is: Siza, Álvaro, 1933- | 489 | | 9.
| Siza Vieira, 1933- | 0 | | 10.
| Author is: Siza, Álvaro, 1933- | 1 | | 11.
| Siza Vieira, Álvaro, 1962- | 0 | | 12.
| Author is: Vieira, Álvaro Leite Siza, 1962- | 4 | | 13.
| Sizer, Theodore | 1 | | 14.
| Sizeranne, M. Robert de La, 1866-1932 | 0 | | 15.
| Author is: Monier de La Sizeranne, Robert, 1866-1932 | 14 |
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