| Author | Titles | | 1.
| Zorrilla, Juan José | 1 | | 2.
| Zorrilla y Moral, José, 1817-1893 | 5 | | 3.
| Zorro, António Maria | 4 | | 4.
| Zorzi, Elio | 1 | | 5.
| Zorzi, Ludovico, 1928-1983 | 1 | | 6.
| Zosi, Giulliano | 1 | | 7.
| Zott, Veronika | 0 | | 8.
| Author is: Zinkyou (nome de artista) | 4 | | 9.
| Zouak, Mehdi | 1 | | 10.
| Zouche, Robert Curzon, 1810-1873 | 0 | | 11.
| Author is: Curzon, Robert, 1810-1873 | 2 | | 12.
| Zouhdi, Bachir | 1 |
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