"1812" . "783.1443" . "1812" . . . "783.14 |c Kwartetten (verschillende zangstemmen) |d Quartets (different singing voices)" . "1812 782.43 |c Madrigalen, van poëzie afgeleide vormen |d Madrigals, forms derived from poetry 783.14 |c Kwartetten (verschillende zangstemmen) |d Quartets (different singing voices) 783.1443" . . . "782.43 |c Madrigalen, van poëzie afgeleide vormen |d Madrigals, forms derived from poetry" .