| Back |
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| The
Hummel-Quartett, 1961 (left to right Peter Liehr, Inken Hummel, Bertold Hummel, Edith Klein) |
| Back |
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| The
Hummel-Quartett, 1961 (left to right Peter Liehr, Inken Hummel, Bertold Hummel, Edith Klein) |