| Author | Titles | 1.
| Gardelli, Giuliana | 1 | 2.
| Gardet, Clément | 2 | 3.
| Gardet, Georges | 1 | 4.
| Gardete, Dinis Correia | 1 | 5.
| Gardette, Grégoire | 2 | 6.
| Gardi, René | 1 | 7.
| Gardimer, Samuel Rawson | 1 | 8.
| Gardin, Gianni Berengo, 1930- | 6 | 9.
| Gardin, Piero Berengo | 1 | 10.
| Gardin, Susanna Berengo | 2 |
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