Kockelkorn, Carl
Kohtz, Johannes
Deutsches Wochenschach, 1905
#4
6 + 2
| 49 | Skakbladet | 1905 |
| 2794 | Terms & Themes of Chess Problems | 1907 |
| 5007 | Zadachi i Etyudi | 1928 |
| 6479 | Problemschach (Sidler) | 1968 |
| 23 | Die Schwalbe | 2005 |
| 23 | Die Schwalbe | 2012 |
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