http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
153 progressive piano pieces = 153 pièces de piano progressives = 153 Klavierstucke, vom allerersten Anfang an = Zongoramuzsika a kezdet legkezdetéöl
153 Klavierstucke, vom allerersten Anfang an
Foreword by Peter Bartok and preface and notes by the composer in English, French, German and Hungarian.