"brand"=>"Boekenvoordeel","brand:wikidata"=>"Q3345649","source:date"=>"2014-07-05"
"brand"=>"Van der Velde","brand:website"=>"https://www.boekhandelvandervelde.nl/","email"=>"drachten@boekhandelvandervelde.nl","network"=>"Libris","source:date"=>"2016-10-30"
"indoor"=>"yes","level"=>"1","name:nl"=>"B. IJlstra","source:date"=>"2014-07-06"