"brand:website"=>"https://libris.nl","network"=>"Blz","source:date"=>"2014-03-24"
"brand"=>"The Readshop","brand:website"=>"https://www.readshop.nl/","brand:wikidata"=>"Q114905224","operator"=>"The Readshop","source:date"=>"2019-10-16"
"brand:website"=>"https://libris.nl","network"=>"Blz","source:date"=>"2014-05-20"