| Author | Titles | | 1.
| Guastalla, Pierre | 1 | | 2.
| Guastalla, René-M. | 1 | | 3.
| Guastaroba, Enrico, 19--?- | 1 | | 4.
| Guastavino, Marc | 1 | | 5.
| Guastavino, Pietro | 1 | | 6.
| Guasti, Cesare | 1 | | 7.
| Guasti, G., 19--?- | 1 | | 8.
| Guattari, Félix | 2 | | 9.
| Guatti, Albano, 1950-b | 3 | | 10.
| Guattini, Michelangelo de | 1 |
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