. . "1 782.1 782.1 |c Opera's, Vocaal-dramatische vormen |d Operas, Dramatic vocal forms 86 Opera's, Vocaal-dramatische vormen Operas, Dramatic vocal forms" . "86" . "Opera's, Vocaal-dramatische vormen"@nl . "782.1" . "86" . "782.1 |c Opera's, Vocaal-dramatische vormen |d Operas, Dramatic vocal forms" . "Operas, Dramatic vocal forms"@en . "1" .