| Author | Titles | | 1.
| Guareschi | 1 | | 2.
| Guarienti, Carlo, 1923- | 1 | | 3.
| Guarienti, Pietro | 1 | | 4.
| Guarini, Guarino, 1624-1683 | 1 | | 5.
| Guarita, Carlos 1946- | 3 | | 6.
| Guarnati, G. F. | 1 | | 7.
| Guarner, Luis | 3 | | 8.
| Guarneri, Libero | 3 | | 9.
| Guarnieri, Alice Camargo | 1 | | 10.
| Guarnieri, Carlo, 1710-? | 1 |
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