| Author | Titles | | 1.
| Klemp, Egon | 1 | | 2.
| Klemp, Klaus | 2 | | 3.
| Klenke-Gerdes, Dorothea | 1 | | 4.
| Klepac, Walter | 1 | | 5.
| Klepper, Erhard | 1 | | 6.
| Klepsova, Dagmar | 1 | | 7.
| Klessinger, Reinhard, 1947- | 3 | | 8.
| Klessmann, Rüdiger | 2 | | 9.
| Klett, Mark, 1952- | 7 | | 10.
| Klette, Christian Manfred | 1 |
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