| Author | Titles | | 1.
| Grégoire, Stéphanie | 4 | | 2.
| Gregolin, Emanuele | 1 | | 3.
| Grégor, H. A. | 1 | | 4.
| Gregor, Ulrich | 1 | | 5.
| Gregorczyk, Audrey | 1 | | 6.
| Gregori, Carlo Bartolomeu, 1702-1759 | 1 | | 7.
| Gregori, Elisa | 1 | | 8.
| Gregori, Guglielma, 1924- | 0 | | 9.
| Author is: Gregori, Mina, 1924- | 7 | | 10.
| Gregori, Guglielma Mina, 1924- | 0 | | 11.
| Author is: Gregori, Mina, 1924- | 7 | | 12.
| Gregori, Mina, 1924- | 7 |
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