"783.16 |c Sextetten (verschillende zangstemmen) |d Sextets (different singing voices)" . "782.43 |c Madrigalen, van poëzie afgeleide vormen |d Madrigals, forms derived from poetry" . "2699 781.47 |c Met begeleiding |d With accompaniment 782.43 |c Madrigalen, van poëzie afgeleide vormen |d Madrigals, forms derived from poetry 783.16 |c Sextetten (verschillende zangstemmen) |d Sextets (different singing voices) 783.1643147" . . . "781.47 |c Met begeleiding |d With accompaniment" . . "2699" . . . "783.1643147" . "2699" .