https://www.unhcr.org/gcr/GCR_English.pdf
https://ukandeu.ac.uk/what-have-we-learned-about-migration-from-the-census/?mc_cid=50b7d10115&mc_eid=815b1928ec
http://uk.reuters.com/article/uk-britain-eu-banking-idUKKBN17Q26A?il=0
http://www.ips-journal.eu/topics/human-rights/article/show/lets-not-lose-our-thread-2155/