| Author | Titles | | 1.
| Koji, Onaka, 1960- | 1 | | 2.
| Kojima, Toshiyuki | 1 | | 3.
| Kojima, Yayoi | 2 | | 4.
| Kok, Jan Piet Filedt, 1943- | 0 | | 5.
| Author is: Filedt Kok, Jan Piet, 1943- | 2 | | 6.
| Kok, Luísa | 1 | | 7.
| Kokalevski, Damjan | 1 | | 8.
| Kokhavi, Moshe | 1 | | 9.
| Kokka Publishing Company (Tóquio, Japão) | 2 | | 10.
| Kokkin, Jan | 2 | | 11.
| Kokkonen, Jüri | 3 |
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