https://vocabularyserver.com/ttla/en/https://vocabularyserver.com/ttla/en/xml.php?skosTema=639Denmark https://vocabularyserver.com/ttla/en/xml.php?skosTema=639 OECD countries BT https://vocabularyserver.com/ttla/en/xml.php?skosTema=639 Greenland RT https://vocabularyserver.com/ttla/en/xml.php?skosTema=639 Northern europe BT https://vocabularyserver.com/ttla/en/xml.php?skosTema=639 Scandinavia BT https://vocabularyserver.com/ttla/en/xml.php?skosTema=639 EEC countries BT https://vocabularyserver.com/ttla/en/xml.php?skosTema=639 European union countries BT