| Author | Titles | | 1.
| Kleen, Geoff | 1 | | 2.
| Kleerebezem, Jouke, 1953- | 1 | | 3.
| Kleffel, Konstantin, 1943- | 1 | | 4.
| Kleifen, Florian | 1 | | 5.
| Kleihues, Josef Paul, 1933- | 1 | | 6.
| Kleiman, Olinda | 1 | | 7.
| Klein, Adalbert | 1 | | 8.
| Klein, Alexander | 1 | | 9.
| Klein, Astrid, 1951- | 1 | | 10.
| Klein, Bernhard | 1 |
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