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Preface to "L. v. Beethoven's sämmtliche Sonaten für Pianoforte" edited by Ignaz Moscheles, published in Stuttgart by Eduard Hallberger.
Preface to "L. v. Beethoven's sämmtliche Sonaten für Pianoforte" edited by Ignaz Moscheles, published in Stuttgart by Eduard Hallberger, dated Leipzig, January 1858, in German and French.
