https://freedomhouse.org/sites/default/files/FH_FITW_Report_2016.pdf
https://www.project-syndicate.org/commentary/hungary-orban-european-union-article-7-by-guy-verhofstadt-2017-05?utm_source=Project+Syndicate+Newsletter&utm_campaign=7ad4f0b43f-sunday_newsletter_28_5_2017&utm_medium=email&utm_term=0_73bad5b7d8-7ad4f0b43f-105765449
https://www.project-syndicate.org/commentary/open-economies-and-structural-reform-by-michael-spence-2017-05?utm_source=Project+Syndicate+Newsletter&utm_campaign=7ad4f0b43f-sunday_newsletter_28_5_2017&utm_medium=email&utm_term=0_73bad5b7d8-7ad4f0b43f-105765449
http://blogactiv.eu/blog/2012/05/15/stumbling-towards-the-brexit/
http://www.mofa.go.jp/files/000160266.pdf?utm_medium=email&utm_source=newsletter&utm_term=170527&utm_campaign=bop
https://www.hesa.ac.uk/data-and-analysis/publications/finances-2015-16/introduction
https://www.sussex.ac.uk/webteam/gateway/file.php?name=briefing-paper-1.pdf&site=18
http://uk.reuters.com/article/uk-britain-eu-immigration-idUKKBN18L0XG
http://www.lawyersforbritain.org/eu-deal-financial-liabilities.shtml
https://www.ecb.europa.eu/press/key/date/2017/html/ecb.sp170524.en.html