
https://blogs.lse.ac.uk/brexit/2020/02/21/migration-how-scotland-hoped-to-do-things-differently/

http://www.consilium.europa.eu/en/press/press-releases/2017/04/29-euco-brexit-guidelines/

https://www.kcl.ac.uk/policy-institute/assets/uk-attitudes-to-immigration-1018742pub01-115.pdf