<https://data.muziekschatten.nl/som/40bee638a26b620a75c25b07e4aba34f> <http://schema.org/keywords> "Leeuwen, J.R. de" .
<https://data.muziekschatten.nl/som/40bee638a26b620a75c25b07e4aba34f> <http://schema.org/name> "Leeuwen, J.R. de" .
<https://data.muziekschatten.nl/som/40bee638a26b620a75c25b07e4aba34f> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://schema.org/Person> .