. "783.126 |c Vrouwenstemmen - duetten |d Women's voices - duets" . "782.42 |c Liederen |d Songs" . . "6422 781.47 |c Met begeleiding |d With accompaniment 782.42 |c Liederen |d Songs 783.126 |c Vrouwenstemmen - duetten |d Women's voices - duets 783.12642147" . . . "781.47 |c Met begeleiding |d With accompaniment" . "783.12642147" . . "6422" . "6422" .