| Author | Titles | | 1.
| ISLA-Instituto Superior de Línguas e Administração (Santarém, Portugal) | 4 | | 2.
| Islam, Runa, 1970- | 7 | | 3.
| Isler, Vera, 1931- | 1 | | 4.
| Isler-de Jongh, Ariane | 1 | | 5.
| Ismael, Ahmed, 1939- | 1 | | 6.
| Ismael, Guilherme | 1 | | 7.
| Ismael, Juan, 1907-1981 | 1 | | 8.
| Ismail, Farah Rahim | 2 | | 9.
| Ismaili Centre (Londres, Grã-Bretanha) | 2 | | 10.
| Ismaïlovitch, Dimitri, 1892-1976 | 25 |
|
|
