| Author | Titles | 1.
| Kosch, A. | 1 | 2.
| Koschatzky, Walter | 6 | 3.
| Koschin, Serge | 1 | 4.
| Koschu, Segolen | 1 | 5.
| Kosciuszuk, Krzysztof | 1 | 6.
| Kosec, Milos | 1 | 7.
| Koshalek, Richard, 1941- | 8 | 8.
| Koshelev, Stepan Yakovlevich | 1 | 9.
| Koshikawa, Michiaki | 3 | 10.
| Koshkin, Alexander, 1952- | 2 |
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