https://www.socialeurope.eu/lexit-fallacies
https://www.gov.uk/government/uploads/system/uploads/attachment_data/file/397079/Scotland_EnduringSettlement_acc.pdf
http://www.epc.eu/documents/uploads/pub_7576_northernirelandandbrexit.pdf
https://www.gov.uk/government/uploads/system/uploads/attachment_data/file/640485/Technical_note_on_Functionality_and_Protocol_7.pdf