@prefix n9j: <http://data.loterre.fr/ark:/67375/N9J> .
@prefix isothes: <http://purl.org/iso25964/skos-thes#> .
@prefix skos: <http://www.w3.org/2004/02/skos/core#> .
@prefix owl: <http://www.w3.org/2002/07/owl#> .

n9j:-laws
  a isothes:ConceptGroup ;
  skos:prefLabel "laws"@en ;
  skos:member n9j:-ZCMW9V2B-1 .

n9j:-F2SWBWM8-6
  skos:prefLabel "drug laws and policies"@en ;
  a skos:Concept ;
  skos:narrower n9j:-ZCMW9V2B-1 .

n9j:-ZCMW9V2B-1
  owl:sameAs <https://concepts.sagepub.com/social-science/concept/Porter_Narcotic_Farm_Act> ;
  skos:definition "The Porter Narcotic Farm Act became federal law on January 19, 1929. It created two facilities for the incarceration and treatment of drug addicts, almost all of them men addicted to morphine or heroin, and the great majority admitted on an involuntary basis from federal prisons or in lieu of sentencing to the prisons. [Source: Encyclopedia of Drug Policy; Porter Narcotic Farm Act]"@en ;
  a skos:Concept ;
  skos:inScheme n9j: ;
  skos:broader n9j:-F2SWBWM8-6 ;
  skos:prefLabel "Porter Narcotic Farm Act"@en .

n9j: a skos:ConceptScheme .