Biography
Barbara Koehler
Effective period / Period of releases: 1974
Author and producer of 'You can teach yourself' books. Known to have collaborated with George Heaps-Nelson Eric Muller and Ray Valla.0:00
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Effective period / Period of releases: 1974
Author and producer of 'You can teach yourself' books. Known to have collaborated with George Heaps-Nelson Eric Muller and Ray Valla.