It is very unlikely that this work is public domain in the EU, or in any country where the copyright term is life-plus-70 years. However, it is in the public domain in Canada (where IMSLP is hosted) and other countries where the term is life-plus-50 years (such as China, Japan, Korea and many others worldwide). As this work was first published before 1924 or failed to meet notice or renewal requirements to secure statutory copyright with no "restoration" under the GATT amendments, it is very likely to be public domain in the USA as well.
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|Alternative. Title||Serenade in einem Satz für Violine, Viola und Violoncell|
|Composer||Mojsisovics, Roderich von|
|Opus/Catalogue NumberOp./Cat. No.||Op.21|
|I-Catalogue NumberI-Cat. No.||IRM 6|
|Dedication||Herrn Hofrat Carl von Zwiedineck-Südenhorst|
|Average DurationAvg. Duration||5–7 minutes|
|Composer Time PeriodComp. Period||Early 20th century|
|Piece Style||Early 20th century|
|Instrumentation||1 violin, 1 viola, 1 cello|
The title page of this work no more, or less, mentions "trio" than does that of Dohnanyi's, so there is no more or less reason for tagging this work as a serenade and a trio and that work as a serenade- the title page information is identical. Moving page.
Mentioned (as published?) in some books published around 1911.