Classes in graph https://pressingmatter.nl/Bronbeek/

Class#Instances
<http://www.nanopub.org/nschema#Assertion>1
<http://www.nanopub.org/nschema#Nanopublication>1
<http://www.nanopub.org/nschema#Provenance>1
<http://www.nanopub.org/nschema#PublicationInfo>1
rdfs:Resource32