| Author | Titles | | 1.
| Gral, Ferdinand | 3 | | 2.
| Gralapp, Leland W. | 1 | | 3.
| Gralheiro, Jaime, 1930-2014 | 3 | | 4.
| Gralheiro, Jaime Gaspar, 1930-2014 | 0 | | 5.
| Author is: Gralheiro, Jaime, 1930-2014 | 3 | | 6.
| Gralheiro, Raquel, 1969- | 1 | | 7.
| Gralke, Elisabeth | 1 | | 8.
| Grama, João, 1975- | 5 | | 9.
| Gramaccini, Gisela | 1 | | 10.
| Gramaccini, Norberto | 1 | | 11.
| Gramaglia, Maria Pia | 1 |
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