http://institute.global/news/tony-blair-opening-remarks-epp-meeting-wicklow
http://fedtrust.co.uk/views-from-the-federal-trust/free-movement-and-migration/
https://publications.parliament.uk/pa/cm201719/cmselect/cmfaff/514/514.pdf
https://www.socialeurope.eu/2017/06/britains-deepening-confusion/