https://ec.europa.eu/commission/publications/position-paper-essential-principles-citizens-rights_en
https://www.conservativehome.com/thecolumnists/2018/02/alex-morton-its-time-to-turn-the-department-for-international-development-into-a-department-for-humanitarian-relief.html
https://www.gov.uk/government/uploads/system/uploads/attachment_data/file/648148/September_-_Joint_technical_note_on_the_comparison_of_EU-UK_positions_on_citizens__rights.pdf
http://www.unhcr.org/4963237411.pdf