| Author | Titles | | 1.
| Gay, Marguerite | 1 | | 2.
| Gay, Paul Du | 1 | | 3.
| Gay, Peter, 1923-2015 | 1 | | 4.
| Gaya Nuño, Benito, Padre | 1 | | 5.
| Gaya Nuño, Juan António, 1913-? | 61 | | 6.
| Gaya Pomés, Ramón, 1910- | 1 | | 7.
| Gaya, Ramon | 1 | | 8.
| Gayac | 1 | | 9.
| Gayángos, Pascual de | 2 | | 10.
| Gay-Barbier, Gérard | 3 |
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