| Author | Titles | | 1.
| García, Héctor, 1923-2012 | 2 | | 2.
| Garcia Herrero, Ricardo | 1 | | 3.
| García Hidalgo, José | 1 | | 4.
| Garcia Hortelano, Juan | 1 | | 5.
| García Ibáñez, Andrés, 1971- | 2 | | 6.
| Garcia, Idalina Serrão | 1 | | 7.
| García Iglesias, José Manuel | 9 | | 8.
| García, Isabel | 1 | | 9.
| Garcia, Isabel 1947- | 19 | | 10.
| Garcia, Isabel Penha | 2 |
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