| Author | Titles | | 1.
| Zaphiropoulou, Photini | 1 | | 2.
| Zapiain, Markos | 1 | | 3.
| Zaporowski, Janus | 1 | | 4.
| Zappaterra, Yolanda | 3 | | 5.
| Zapperi, Giovanna, 19--?- | 1 | | 6.
| Zara, Louis | 1 | | 7.
| Zaragoza. Ayuntamiento. Serviço de Acción Cultural | 1 | | 8.
| Zaragoza, David | 2 | | 9.
| Zaragoza, Federico Mayor | 1 | | 10.
| Zaragoza, José | 1 |
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