https://www.brookings.edu/opinions/venezuelas-refugee-crisis-will-exceed-syrias-we-must-help/?utm_campaign=Brookings%20Brief&utm_source=hs_email&utm_medium=email&utm_content=60754413
http://peaceandsecurityindex.org/wp-content/themes/peaceandsecurity/images/PSFG-report.pdf
https://institute.global/news/brexit-realities-taking-back-control
https://www.un.org/disarmament/wmd/nuclear/npt/text
https://blogs.sussex.ac.uk/uktpo/2018/02/15/sustainability-impact-assessment-for-post-brexit-britain/
https://www.hrfn.org/wp-content/uploads/2017/05/20170530-Supporting-inclusive-movements-wellsprings.pdf
https://www.gov.uk/government/uploads/system/uploads/attachment_data/file/502291/54284_EU_Series_No1_Web_Accessible.pdf
https://www.gov.uk/government/speeches/pm-commons-statement-on-eu-reform-and-referendum-22-february-2016
http://ec.europa.eu/newsroom/just/item-detail.cfm?item_id=607452
https://www.iod.com/Portals/0/PDFs/Campaigns%20and%20Reports/Europe%20and%20trade/IoD-Customising-Brexit.pdf?ver=2018-02-15-083137-800