| Author | Titles | | 1.
| Gualandi, Claudio | 1 | | 2.
| Gualandi, Michelangelo | 1 | | 3.
| Gualda, Marcos | 1 | | 4.
| Gualdi, Stefano | 1 | | 5.
| Gualdoni, Angelina, 1975- | 1 | | 6.
| Gualdoni Basualdo, Adrian | 1 | | 7.
| Gualdoni, F., 1954- | 0 | | 8.
| Author is: Gualdoni, Flaminio, 1954- | 12 | | 9.
| Gualdoni, Flaminio, 1954- | 12 | | 10.
| Guallart, Vicente | 2 | | 11.
| Gualter, pseud. | 0 | | 12.
| Author is: Sousa, Eduardo Alfredo de, 1865-1927 | 3 |
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