| Author | Titles | 1.
| Guardiola, António | 1 | 2.
| Guardiola, Juan | 3 | 3.
| Guardiola Mártil, Carlos | 1 | 4.
| Guarducci, Margherita | 1 | 5.
| Guare, John | 1 | 6.
| Guareschi | 1 | 7.
| Guarienti, Carlo, 1923- | 1 | 8.
| Guarienti, Pietro | 1 | 9.
| Guarini, Guarino, 1624-1683 | 1 | 10.
| Guarita, Carlos 1946- | 3 |
|
|