| Author | Titles | | 1.
| Gregório, Santo, Bispo de Nyssa, 335-378 | 1 | | 2.
| Gregório, Santo, Bispo de Tours, 538/39-594 | 2 | | 3.
| Gregório X, (Papa) | 0 | | 4.
| Author is: Igreja Católica. Papa, 1271-1276 (Gregório X) | 1 | | 5.
| Gregório XVI, (Papa) | 0 | | 6.
| Author is: Igreja Católica. Papa, 1831-1846 (Gregório XVI) | 2 | | 7.
| Gregorovius, F. | 1 | | 8.
| Gregorovius, Ferdinand, 1821-1891 | 2 | | 9.
| Gregory, Alexis | 3 | | 10.
| Gregory, Gene | 1 | | 11.
| Gregory, R. L., 1923-2010 | 0 | | 12.
| Author is: Gregory, Richard Langton, 1923-2010 | 4 | | 13.
| Gregory, Richard Arman | 1 |
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