| Subject | Titles | | 1.
| Koch, Eva, | 1 | | 2.
| Koch, Gérard, 1926- | 1 | | 3.
| Koch, Joseph Anton | 1 | | 4.
| Koch, Luciano | 1 | | 5.
| Koch, Pedro Sabino, 1990- | 1 | | 6.
| Koch, Pyke, 1901-1991 -- Crítica e interpretação | 1 | | 7.
| Kochar, Ervand, 1899-1979 | 0 | | 8.
| Heading is: Kotchar, Ervand, 1899-1979 | 2 | | 9.
| Kochar, Ervand Semenovich, 1899-1979 | 0 | | 10.
| Heading is: Kotchar, Ervand, 1899-1979 | 2 | | 11.
| Kochar, Erwand, 1899-1979 | 0 | | 12.
| Heading is: Kotchar, Ervand, 1899-1979 | 2 | | 13.
| Kocheisen + Hullmann (Grupo de artistas) | 1 |
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