
http://cdn.budgetresponsibility.org.uk/July_2017_Fiscal_risks.pdf

https://ec.europa.eu/commission/commissioners/2014-2019/andriukaitis/blog/likening-eu-ussr-not-unreasonable_en

https://www.gov.uk/guidance/status-of-eu-nationals-in-the-uk-what-you-need-to-know