| Author | Titles | | 1.
| Gaeti, Valerio | 1 | | 2.
| Gaffaratto, Alberto | 1 | | 3.
| Gaffarel, Paul, 1843-1920 | 1 | | 4.
| Gaffron, Klaus von | 1 | | 5.
| Gafgen, W. | 2 | | 6.
| Gäfgen, Wolfgang, 1936- | 1 | | 7.
| GAGAG - Grupo de Amigos da Galeria de Arte "A Grade" | 1 | | 8.
| Gagarina, Elena | 1 | | 9.
| Gagé, Jean | 2 | | 10.
| Gage, John, 1938-2012 | 10 |
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