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"brand:website"=>"https://libris.nl","network"=>"Libris","source:date"=>"2014-05-07"
"brand"=>"Boekenvoordeel","brand:wikidata"=>"Q3345649","source:date"=>"2014-05-07"
"brand"=>"The Readshop","brand:website"=>"https://www.readshop.nl/","brand:wikidata"=>"Q114905224","source:date"=>"2014-06-09"
"brand"=>"The Readshop","brand:website"=>"https://www.readshop.nl/","brand:wikidata"=>"Q114905224","source:date"=>"2014-06-09"