This work is likely not in the public domain in the US (due to first publication with the required notice after 1925, plus renewal or "restoration" under the GATT/TRIPS amendments), nor in the EU and those countries where the copyright term is life+70 years. However, it is public domain in Canada (where IMSLP is hosted) and in other countries (China, Hong Kong, New Zealand) where the copyright term is life+50 years.
|Genre Categories||; ; ;|
|Work Title||10 Mittelstufen-Etüden|
|Alternative. Title||Zehn Mittelstufe-Etüden|
|Opus/Catalogue NumberOp./Cat. No.||Op.57|
|I-Catalogue NumberI-Cat. No.||IET 7|
|Year/Date of CompositionY/D of Comp.||1930|
|Dedication||Für Käte Klausner|
|Composer Time PeriodComp. Period||Early 20th century|
|Piece Style||Early 20th century|
Composed 1930 per worklist.