| Author | Titles | | 1.
| Zadrazil, Franz, 1942- | 1 | | 2.
| Zaehnsdorf, Joseph William, 1853-1930 | 9 | | 3.
| Zaera Polo, Alejandro, 1963- | 8 | | 4.
| Zaffo, George J. | 1 | | 5.
| Zafiriou, Lefkios | 1 | | 6.
| Zafra, António | 2 | | 7.
| Zafran, Eric M. | 1 | | 8.
| Zagajewski, Adam | 1 | | 9.
| Zagala, Anna | 1 | | 10.
| Zagala, Maria | 1 |
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