
https://www.epp.eu/files/uploads/2017/04/11-EPP-Resolution-1-2.pdf

http://blogs.lse.ac.uk/brexit/2017/06/05/uk-voters-including-leavers-care-more-about-reducing-non-eu-than-eu-migration/

https://migrationdataportal.org/blog/10-coolest-visualizations-migration-data?utm_campaign=Brookings%20Brief&utm_source=hs_email&utm_medium=email&utm_content=61078421