| Author | Titles | | 1.
| Ibarrola, Agustín, 1930- | 1 | | 2.
| Ibarz, Mercè, 1954- | 1 | | 3.
| Ibas, Enrique Azcoaga, 1912-1985 | 0 | | 4.
| Author is: Azcoaga, Enrique, 1912-1985 | 5 | | 5.
| Ibeas, Bruno | 2 | | 6.
| Ibeas, Juan Manuel | 2 | | 7.
| Ibelings, Hans | 2 | | 8.
| Ibelings Van Tilburg (Firma de Arquitectura) | 1 | | 9.
| Ibero, Ramón | 10 | | 10.
| Ibero-Amerikanisches Institut Berlin | 1 | | 11.
| Ibert, Jacques | 1 |
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