@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 owl: <http://www.w3.org/2002/07/owl#> .
@prefix dc: <http://purl.org/dc/terms/> .
@prefix schema: <http://schema.org/> .
@prefix wd: <http://www.wikidata.org/entity/> .

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/144220>
  owl:sameAs <https://pm20.zbw.eu/category/subject/s/c_Sm2.II_(alt)>, <http://purl.org/pressemappe20/category/subject/i/144220> ;
  a skos:Concept ;
  skos:note "folderCount: 4" ;
  skos:inScheme <https://pm20.zbw.eu/category/subject> ;
  rdfs:label "Cartography, aerial photography"@en, "Kartographie, Luftphotographie (bis 1945)"@de ;
  skos:prefLabel "Cartography, aerial photography"@en, "Kartographie, Luftphotographie (bis 1945)"@de ;
  skos:broader <https://pm20.zbw.eu/category/subject/i/144218> ;
  zbwext:notationLong "c 00 SM 002.02 (alt)" ;
  dc:identifier "144220" ;
  schema:subjectOf <https://pm20.zbw.eu/category/subject/i/144220/about> ;
  zbwext:folderCount 4 ;
  skos:notation "c Sm2.II (alt)" ;
  skos:exactMatch wd:Q104699232 .

<https://pm20.zbw.eu/category/subject/i/144218>
  skos:notation "c Sm2" ;
  rdfs:label "Cartography"@en, "Kartographie"@de ;
  skos:prefLabel "Cartography"@en, "Kartographie"@de ;
  a skos:Concept ;
  skos:narrower <https://pm20.zbw.eu/category/subject/i/144220> .

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