
http://www.cer.org.uk/sites/default/files/insight_JS_9.5.17.pdf

http://www.libdems.org.uk/brexit-challenge-justice#

http://www.migrationobservatory.ox.ac.uk/resources/reports/unsettled-status-which-eu-citizens-are-at-risk-of-failing-to-secure-their-rights-after-brexit/