| Autor | Títulos | 1.
| Koele, Ineke Alien | 1 | 2.
| Koelen, Dorothea van der | 1 | 3.
| Koella, Rudolf | 4 | 4.
| Koeller, Annette Bjorg | 1 | 5.
| Koeman, C. | 2 | 6.
| Koenders, Irène | 1 | 7.
| Koenig, G. M. | 1 | 8.
| Koenig, Giovanni Klaus | 1 | 9.
| Koenig, John Franklin | 1 | 10.
| Koenig, Pierre, 1925-2004 | 1 |
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