| Author | Titles | | 1.
| Isidro, Carla, 1955- | 2 | | 2.
| Isidro, João | 1 | | 3.
| Isidro, Sónia | 2 | | 4.
| Isik, Karla | 1 | | 5.
| Isin, Mary | 1 | | 6.
| Isin, Priscilla Mary | 6 | | 7.
| Isin, Priscilla Mary | 1 | | 8.
| Iskander, Marina | 1 | | 9.
| ISLA-Instituto Superior de Línguas e Administração (Santarém, Portugal) | 4 | | 10.
| Islam, Runa, 1970- | 7 |
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