| Author | Titles | 1.
| Groetz, Thomas | 1 | 2.
| Groff, Sibyl McCormac | 1 | 3.
| Grog, Carven | 1 | 4.
| Grogaard, Stian | 1 | 5.
| Grogan, Henry Thomas | 1 | 6.
| Grogan, Walter E. | 1 | 7.
| Groggia, Francesco | 1 | 8.
| Grognard, François, 1748-1823 | 1 | 9.
| Grohé, Stefan, 1964- | 1 | 10.
| Grohmann, Adolf | 1 |
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