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

http://www.ips-journal.eu/regions/europe/article/show/battle-of-the-bulldogs-2063/

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