| Author | Titles | | 1.
| Walters, Neil | 1 | | 2.
| Walterskirchen, Katalin de | 3 | | 3.
| Walther, Alexia, 1974- | 1 | | 4.
| Walther + Bea Betz | 1 | | 5.
| Walther, Claudia Maria | 1 | | 6.
| Walther, Franz Erhard, 1939- | 7 | | 7.
| Walther, Ingo F., 1940- | 12 | | 8.
| Walther, Susan Danly | 1 | | 9.
| Walther, Susanne | 2 | | 10.
| Walti, Ruedi | 1 |
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