| Author | Titles | 1.
| Ion, Cori Simona | 1 | 2.
| Ionesco, Eugéne, 1909- | 4 | 3.
| Ionesco, Grigore | 3 | 4.
| Ionescu, Alice | 1 | 5.
| Ionescu, Stefano | 1 | 6.
| Ionescu-Sisesti, G. | 1 | 7.
| Iong, Grace Lei Iek | 1 | 8.
| Ionina-Golembiovskaya, Victoria | 1 | 9.
| Ions, Veronica | 5 | 10.
| Iordan, Iorgu, 1888-1986 | 3 |
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