| Author | Titles | | 1.
| Irwin, Careen | 1 | | 2.
| Irwin, David | 2 | | 3.
| Irwin (Grupo de artistas) | 1 | | 4.
| Irwin, John | 3 | | 5.
| Irwin, Robert, 1928- | 5 | | 6.
| Is To Communicate (firma de design) | 1 | | 7.
| Isaac, Alan R. R. | 1 | | 8.
| Isaac, Jules | 3 | | 9.
| Isaac, Nathalie Abou | 1 | | 10.
| Isaac Santana, Andrés, 1973- | 1 |
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