| Author | Titles | | 1.
| Gage, John, 1938-2012 | 10 | | 2.
| Gage, Mark Foster, 1973- | 2 | | 3.
| Gage, Richard L. | 2 | | 4.
| Gageiro, Eduardo, 1935- | 36 | | 5.
| Gageiro, Rui, 1967- | 1 | | 6.
| Gagern, Verena von, 1946- | 1 | | 7.
| Gagete, Élida | 1 | | 8.
| Gagey, Jacques | 1 | | 9.
| Gaggadis-Robin, Vassiliki | 1 | | 10.
| Gaggiotti, Paola | 1 |
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