http://blogs.lse.ac.uk/brexit/2018/11/23/hubert-butler-essay-prize-what-happened-to-europe-without-frontiers/
http://ec.europa.eu/anti-fraud/media-corner/news/31-05-2017/olaf-2016-leading-way-combatting-fraud-through-large-transnational_en
https://uk.yahoo.com/news/wales-could-disappear-england-under-213835584.html