"s" . "1917" . "samensteller" . "36370" . "KLERK, ALBERT DE" . "Klerk" . "ne" . "KLERK, ALBERT DE |f [samensteller]" . "Albert de" . "1998" . "bewerker" . "KLERK, ALBERT DE" . "b" . "componist" . "19730" . . . "KLERK, ALBERT DE |f [bewerker]" . "KLERK, ALBERT DE |f [componist]" . "2649" .