https://www.publications.parliament.uk/pa/ld201617/ldselect/ldeucom/78/78.pdf
http://blogs.lse.ac.uk/brexit/2018/01/12/the-usual-underdogs-of-lobbying-were-the-surprising-winners-of-the-brexit-vote-debate/
https://hansard.parliament.uk/commons/2018-03-07/debates/65828E0C-3CC7-43AE-B5D2-B5F1B5D42A4C/EuropeanUnionCitizenship
https://blogs.lse.ac.uk/europpblog/2023/11/07/europe-ukraine-and-the-west/