
https://business-humanrights.org/sites/default/files/documents/fra-2017-opinion-01-2017-business-human-rights_en.pdf

https://www.ons.gov.uk/peoplepopulationandcommunity/populationandmigration/populationestimates/articles/overviewoftheukpopulation/mar2017

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