. . . "Otten Josef" . "Otten Josef" . . . "Otten, Josef, artiste lyrique" . . "Josef Otten"@en . . . "Josef"@en . . "JOSEF OTTEN"@en . "Otten"@fr-FR . . "Otten"@en . "artiste lyrique Josef Otten" . "artiste lyrique" . "1950" .