| Author | Titles | | 1.
| Gribbin, John | 1 | | 2.
| Gribbon, Deborah | 1 | | 3.
| Gribling, F. T. | 1 | | 4.
| Gribskoff, Alexis Christian von, pseud. | 0 | | 5.
| Author is: Lourenço, M. S., 1936-2009 | 15 | | 6.
| Griccioli, Fiammetta | 1 | | 7.
| Le Grice, Malcolm | 2 | | 8.
| Grice, Malcolm le | 0 | | 9.
| Author is: Le Grice, Malcolm | 2 | | 10.
| Grieco, Agrippino | 4 | | 11.
| Grieco, Douglas | 1 | | 12.
| Grieco, Sara F. Matthews | 2 |
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