"Bassen (stemmen) - kwartetten"@nl . "Bass voices - quartets"@en . . "783.1489 |c Bassen (stemmen) - kwartetten |d Bass voices - quartets" . . "4091" . "4091 783.1489 783.1489 |c Bassen (stemmen) - kwartetten |d Bass voices - quartets Bass voices - quartets Bassen (stemmen) - kwartetten" . "783.1489" . "4091" . .