@prefix skos: <http://www.w3.org/2004/02/skos/core#> .
@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
@prefix zbwext: <http://zbw.eu/namespaces/zbw-extensions/> .
@prefix wd: <http://www.wikidata.org/entity/> .
@prefix gnd: <https://d-nb.info/gnd/> .
@prefix owl: <http://www.w3.org/2002/07/owl#> .
@prefix dc: <http://purl.org/dc/terms/> .
@prefix schema: <http://schema.org/> .
@prefix gndo: <https://d-nb.info/standards/elementset/gnd#> .

<https://pm20.zbw.eu/category/subject/i/144193>
  skos:notation "a1" ;
  rdfs:label "Map literature"@en, "Kartenliteratur"@de ;
  skos:prefLabel "Map literature"@en, "Kartenliteratur"@de ;
  a skos:Concept ;
  skos:broader <https://pm20.zbw.eu/category/subject/i/142393> .

<https://pm20.zbw.eu/category/subject/i/156329>
  skos:notation "JE" ;
  rdfs:label "HWWA subject classification"@en, "HWWA-Sachsystematik"@de ;
  skos:prefLabel "HWWA subject classification"@en, "HWWA-Sachsystematik"@de ;
  a skos:Concept ;
  skos:narrower <https://pm20.zbw.eu/category/subject/i/142393> .

<https://pm20.zbw.eu/category/subject> a skos:ConceptScheme .
<https://pm20.zbw.eu/category/subject/i/142393>
  zbwext:notationLong "a" ;
  skos:exactMatch wd:Q99312062, gnd:4073972-7 ;
  owl:sameAs <https://pm20.zbw.eu/category/subject/s/a>, <http://purl.org/pressemappe20/category/subject/i/142393> ;
  dc:identifier "142393" ;
  rdfs:label "Literature, general"@en, "Literatur, Allgemein"@de ;
  zbwext:folderCount 30 ;
  skos:note "folderCount: 30" ;
  skos:prefLabel "Literature, general"@en, "Literatur, Allgemein"@de ;
  skos:notation "a" ;
  a skos:Concept ;
  skos:broader <https://pm20.zbw.eu/category/subject/i/156329> ;
  schema:subjectOf <https://pm20.zbw.eu/category/subject/i/142393/about> ;
  gndo:gndIdentifier "4073972-7" ;
  skos:narrower <https://pm20.zbw.eu/category/subject/i/144193> ;
  skos:inScheme <https://pm20.zbw.eu/category/subject> .

zbwext:notationLong
  rdfs:subPropertyOf skos:notation ;
  skos:definition """EXPERIMENTAL: Notation with
    blanks and leading zeros for sortability."""@en ;
  rdfs:label "NotationLong"@en .