A heartfelt thank-you to Karl Oriwohl in Berlin for his willingness to make available his instruments, his documents, and all his other materials! Also thanks for his exhaustive explanations and guidance over many months. Without his many years of experience with concertinas accompanied by a collector's passion, this exposition would not be possible.

(A bellows rests...   Karl Oriwohl, born in 1917, passed away in October, 2011.
Newspaper obituary publ. 17.11.2011.)

Special thanks for first translations to Martin in Canada.

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H. Matthess
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01307 Dresden

February 18 2011

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