https://www.instituteforgovernment.org.uk/sites/default/files/publications/International-civil-service-effectiveness-index-July-17.pdf
https://www.instituteforgovernment.org.uk/sites/default/files/publications/IfG_Brexit_customs_WEB.pdf
https://www.socialeurope.eu/deja-vu-home-office
https://yougov.co.uk/news/2017/08/30/brits-are-more-likely-have-been-paris-edinburgh/
http://blogs.lse.ac.uk/brexit/2017/09/05/warning-the-cost-of-brexit-could-seriously-damage-your-health-service/
https://www.opendemocracy.net/uk/brexitinc/james-cusick-adam-ramsay-crina-boros/revealed-tory-mps-using-taxpayers-cash-to-fund-sec?utm_source=Daily+Newsletter&utm_campaign=bd60eeeba0-DAILY_NEWSLET
http://openeurope.org.uk/today/blog/will-brexit-ground-flights-europe/
http://www.russellgroup.ac.uk/media/5521/rg-international-students-june-2017.pdf
http://www.kormany.hu/download/d/2b/21000/JunckerJean-Claude%2020170906.pdf
http://berlinpolicyjournal.com/the-bottom-forty-percent-have-not-benefited/