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 occupational migration 2011-01-02 12:20:18 migratory labour http://www.vocabularyserver.com/eurovoc/en/xml.php?skosTema=1909http://www.vocabularyserver.com/eurovoc/en/xml.php?skosTema=1634http://www.vocabularyserver.com/eurovoc/en/xml.php?skosTema=4558http://www.vocabularyserver.com/eurovoc/en/xml.php?skosTema=532