. "783.6742" . "783.67 |c Mezzosopraan |d Mezzo-soprano" . "782.42 |c Liederen |d Songs" . "6540" . . "6540 782.42 |c Liederen |d Songs 783.67 |c Mezzosopraan |d Mezzo-soprano 783.6742" . "6540" . . .