<https://data.muziekschatten.nl/som/16705225da1e246d1b5dc9e89b13c653> <http://schema.org/keywords> "Hans J. Etzel" .
<https://data.muziekschatten.nl/som/16705225da1e246d1b5dc9e89b13c653> <http://schema.org/name> "Hans J. Etzel" .
<https://data.muziekschatten.nl/som/16705225da1e246d1b5dc9e89b13c653> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://schema.org/Person> .