| Author | Titles | | 1.
| Gallardo, Cara | 1 | | 2.
| Gallardo, Francisco | 1 | | 3.
| Gallardo, Gemma | 1 | | 4.
| Gallardo Miranda, Miguel Ángel | 2 | | 5.
| Gallarotti, Antonella | 1 | | 6.
| Gallasch-Hall, Aline | 1 | | 7.
| Gallati, Barbara Dayer | 5 | | 8.
| Gallatin, Albert | 1 | | 9.
| Gallay, Gretel | 1 | | 10.
| Gallay, Jacques, Padre | 1 |
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