| Author | Titles | | 1.
| Klüver, Billy, 1927- | 2 | | 2.
| Kluy, Maja | 2 | | 3.
| Kluytenaar, Joost | 1 | | 4.
| KM Kulturunea (San Sebastian, Espanha) | 0 | | 5.
| Author is: Koldo Mitxelena Kulturunea (San Sebastian, Espanha) | 48 | | 6.
| Kmenta, David | 1 | | 7.
| Kmetyuk, Galina | 1 | | 8.
| Knaak, Bianca | 1 | | 9.
| Knabb, Ken | 1 | | 10.
| Knackfuss, H. | 5 | | 11.
| Knall, Bruno | 2 |
|
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