| Author | Titles | | 1.
| Isar, Yudhishthir Raj, 1948- | 6 | | 2.
| Isarlo, George | 5 | | 3.
| Isarlov, George | 1 | | 4.
| Isay, Raymond | 1 | | 5.
| Isbir, Ali Ahmad Said, 1930- | 0 | | 6.
| Author is: Adonis, pseud. | 3 | | 7.
| Isbister, Katherine | 1 | | 8.
| Ischio, Giancarla | 1 | | 9.
| ISCTE-IUL Instituto Universitário de Lisboa | 3 | | 10.
| ISEG | 0 | | 11.
| Author is: Instituto Superior de Economia e Gestão (Lisboa, Portugal) | 1 | | 12.
| Iselin, Claire | 1 |
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