| Author | Titles | | 1.
| Viola, Manuel, 1919-1987 | 2 | | 2.
| Related author: El Paso (Grupo de artistas) | 1 | | 3.
| Violand-Hobi, Heidi E. | 1 | | 4.
| Violante | 1 | | 5.
| Violante, Eugénio, 1966- | 1 | | 6.
| Violante, Flávia, 1987- | 7 | | 7.
| Violante, Luís | 1 | | 8.
| Violante, Maria | 1 | | 9.
| Violante, Ticiano | 3 | | 10.
| Violante, Ticiano, -1970 | 5 | | 11.
| Violante, Ticiano, -1970 | 33 |
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