{"entities":{"P81":{"pageid":5968,"ns":122,"title":"Property:P81","lastrevid":16397,"modified":"2026-05-11T12:11:29Z","type":"property","datatype":"external-id","id":"P81","labels":{"en":{"language":"en","value":"ISMN"},"hu":{"language":"hu","value":"ISMN"}},"descriptions":{"en":{"language":"en","value":"International Standard Music Number, identifier for sheet music"},"hu":{"language":"hu","value":"International Standard Music Number, kott\u00e1k standard azonos\u00edt\u00f3ja"}},"aliases":{},"claims":{}}}}