| Author | Titles | | 1.
| Krügel, Gerhard | 3 | | 2.
| Kruger, Barbara, 1945- | 8 | | 3.
| Krüger, Benjamin, 1982- | 1 | | 4.
| Krüger, Fritz | 1 | | 5.
| Krüger, Jürgen | 1 | | 6.
| Krüger, Mário, 1945- | 7 | | 7.
| Krüger, Michael | 1 | | 8.
| Krüger, Reinhard, 1951-2018 | 1 | | 9.
| Krugg, Oliver | 1 | | 10.
| Kruijning, Aad | 1 |
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