| Autor | Títulos | | 1.
| Gardin, Gianni Berengo, 1930- | 6 | | 2.
| Gardin, Piero Berengo | 1 | | 3.
| Gardin, Susanna Berengo | 2 | | 4.
| Gardiner, Alan H. | 1 | | 5.
| Gardiner, Graeme | 1 | | 6.
| Gardiner, Hazel | 1 | | 7.
| Gardiner, Linda | 1 | | 8.
| Gardiner, Lynton | 2 | | 9.
| Gardiner, Patrick, 1922- | 3 | | 10.
| Gardiner, Patrick Lancaster, 1922- | 3 |
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