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Siegfried Hansing

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The Pianoforte and Its Acoustic Properties
The Pianoforte and Its Acoustic Properties
The Pianoforte and Its Acoustic Properties, Second Edition, Revised and Enlarged, Translated from the German
The Pianoforte and Its Acoustic Properties
The Pianoforte and Its Acoustic Properties (Classic Reprint)
The Pianoforte and Its Acoustic Properties (Classic Reprint)