http://www.vocabularyserver.com/eurovoc/en/ Eurovoc, the EU's multilingual thesaurus European Communities European Communities 2011-01-02 en 2011-01-02 12:20:18 work permit 2011-01-02 12:20:18http://www.vocabularyserver.com/eurovoc/en/xml.php?skosTema=2468http://www.vocabularyserver.com/eurovoc/en/xml.php?skosTema=4562http://www.vocabularyserver.com/eurovoc/en/xml.php?skosTema=4004