"SCHWARTZ, JEAN" . "https://en.wikipedia.org/wiki/Jean_Schwartz" . "componist" . "1878" . "1878-11-04" . "SCHWARTZ, JEAN |f [componist]" . "https://viaf.org/viaf/34648915" . "49815" . "SCHWARTZ, JEAN" . . "Jean" . "Schwartz" . . "1956-11-30" . "us" . "https://www.wikidata.org/entity/Q6171492" . "1956" .