| Author | Titles | 1.
| Zimmerman, Arnold, 1954- | 4 | 2.
| Zimmerman, Eric, 1969- | 2 | 3.
| Zimmerman, Heidi | 1 | 4.
| Zimmerman, Philip D. | 1 | 5.
| Zimmerman, Till | 1 | 6.
| Zimmermann, Aidin | 1 | 7.
| Zimmermann, E. Heinrich | 1 | 8.
| Zimmermann, Eva | 1 | 9.
| Zimmermann, Francis | 1 | 10.
| Zimmermann, Gabriella | 2 |
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