| Autor | Títulos | | 1.
| Kopp Ernest | 1 | | 2.
| Kopp, Jan, 1970- | 1 | | 3.
| Kopp, Max, 1891-1984 | 4 | | 4.
| Kopp, Max 1891-1984 | 1 | | 5.
| Kopplin, Monika | 1 | | 6.
| Kops, C. J. de Bruyn | 1 | | 7.
| Kopsa, Maxime | 1 | | 8.
| Kopyl, Vadim | 1 | | 9.
| Kopystiansky, Igor, 1954- | 2 | | 10.
| Kopystiansky, Svetlana, 1950- | 2 |
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