| Author | Titles | | 1.
| Kronenburg, Robert | 3 | | 2.
| Kronfeld, Morik | 1 | | 3.
| Krönig, Wolfgang | 8 | | 4.
| Kronprinz, Frédéric-Guillaume | 1 | | 5.
| Kroo, Norbert | 1 | | 6.
| Kroos, Renate | 1 | | 7.
| Krop, Esther | 1 | | 8.
| Kropf, Karl | 1 | | 9.
| Kropf, Reinhard | 1 | | 10.
| Kropotkin, Piotr Alexievitch, 1842-1921 | 5 |
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