</ext-000063721#foaf:Person> <http://purl.org/dc/terms/created> "2016-07-25" .
</ext-000063721#foaf:Person> <http://purl.org/dc/terms/modified> "2016-07-25" .
</ext-000063721#foaf:Person> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://xmlns.com/foaf/0.1/Person> .
</person/ext-000063721> <http://schema.org/givenName> "Tryntje"@fr .
</ext-000063721#foaf:Person> <http://xmlns.com/foaf/0.1/familyName> "Helfferich" .
</ext-000037481#Expression> <http://id.loc.gov/vocabulary/relators/aut> </ext-000063721#foaf:Person> .
</ext-000063721#foaf:Person> <http://www.w3.org/2004/02/skos/core#prefLabel> "Helfferich, Tryntje"@fr .
</person/ext-000063721> <http://schema.org/familyName> "Helfferich"@fr .
</ext-000063721#foaf:Person> <http://xmlns.com/foaf/0.1/focus> </ext-000063721#foaf:Person> .
</ext-000037481#Expression> <http://purl.org/dc/terms/creator> </ext-000063721#foaf:Person> .
</ext-000037481#Expression> <http://data.bnf.fr/vocabulary/roles/r70> </ext-000063721#foaf:Person> .
</ext-000063721#foaf:Person> <http://xmlns.com/foaf/0.1/name> "Tryntje Helfferich" .
</person/ext-000063721> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://schema.org/Person> .
</ext-000063721#foaf:Person> <http://xmlns.com/foaf/0.1/page> </person/ext-000063721> .
</article/ext-000037481> <http://schema.org/author> </person/ext-000063721> .
</ext-000063721#foaf:Person> <http://xmlns.com/foaf/0.1/givenName> "Tryntje" .