https://publications.parliament.uk/pa/cm201719/cmselect/cmbeis/380/380.pdf
https://hansard.parliament.uk/commons/2018-03-07/debates/65828E0C-3CC7-43AE-B5D2-B5F1B5D42A4C/EuropeanUnionCitizenship
https://ec.europa.eu/commission/sites/beta-political/files/joint_table_citizens_rights_-_third_round.pdf
https://www.bloomberg.com/politics/articles/2017-04-11/brexit-means-scots-need-to-make-informed-choice-sturgeon-says