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

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

<https://pm20.zbw.eu/category/subject/i/145665>
  schema:subjectOf <https://pm20.zbw.eu/category/subject/i/145665/about> ;
  zbwext:folderCount 22 ;
  owl:sameAs <https://pm20.zbw.eu/category/subject/s/n34_Sm3>, <http://purl.org/pressemappe20/category/subject/i/145665> ;
  skos:exactMatch wd:Q104711249, gnd:4229250-5, gnd:4046886-0 ;
  skos:prefLabel "Luftpost"@de, "Airmail"@en ;
  gndo:gndIdentifier "4229250-5", "4046886-0" ;
  skos:broader <https://pm20.zbw.eu/category/subject/i/145662> ;
  rdfs:label "Luftpost"@de, "Airmail"@en ;
  zbwext:notationLong "n 34 SM 003" ;
  dc:identifier "145665" ;
  skos:note "folderCount: 22" ;
  a skos:Concept ;
  skos:inScheme <https://pm20.zbw.eu/category/subject> ;
  skos:notation "n34 Sm3" .

<https://pm20.zbw.eu/category/subject/i/145662>
  skos:notation "n34" ;
  rdfs:label "Postal services, telegraphy and telephony"@en, "Postwesen, Telegraphenwesen und Fernsprechwesen"@de ;
  skos:prefLabel "Postal services, telegraphy and telephony"@en, "Postwesen, Telegraphenwesen und Fernsprechwesen"@de ;
  a skos:Concept ;
  skos:narrower <https://pm20.zbw.eu/category/subject/i/145665> .

<https://pm20.zbw.eu/category/subject> a skos:ConceptScheme .