Since this work was first published after 1922 with the prescribed copyright notice, it is unlikely that this work is public domain in the USA. However, it is in the public domain in Canada (where IMSLP is hosted), the EU, and in those countries where the copyright term is life+70 years or less.
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|Opus/Catalogue NumberOp./Cat. No.
|Year/Date of CompositionY/D of Comp.
||While public domain even in the EU, this work remains under copyright in the USA.|
In the USA, This item is not in the public domain because it was renewed 28 years after first publication with a proper notice or it was "restored" to copyright status via a Notice of Intent to Enforce (NIE) under the provisions of the GATT/TRIPS amendments. It will enter the US public domain on January 1st, 2019.
|Composer Time PeriodComp. Period
In many sources - and in this score - this work is listed as Op.35.
Op.35 however belongs to "Les Djinns". See the composer's work list.
BNF has a "Op.35 3 nocturnes for voice and piano" which it several times confuses with Op.35 Les Djinns in its original (Feb. 1915?) voice/piano form (if the very confusing BNF catalog can be unknotted)... checking the worklist and perhaps also one of the resource books on Vierne does seem a good idea here thanks... - ESh