. "Dux, Claire"@en . "Claire Dux"@en . "Claire Dux (2 August 1885 \u2013 8 October 1967), was an operatic and concert soprano with a successful career in continental Europe, England, and the United States."@en . . "1967Z"^^ . . "1885Z"^^ . . "Dux, Clara Auguste (birthname)"@en . . "1967-10-08Z"^^ . "1885-08-02Z"^^ . "Clara Auguste Dux"@en . "Operatic soprano" .