Brexit’s Challenge to the UK’s Unwritten Constitution - European Public Law View Brexit’s Challenge to the UK’s Unwritten Constitution by Patrick Birkinshaw - European Public Law Brexit’s Challenge to the UK’s Unwritten Constitution Patrick Birkinshaw 2020-03-01 26 1 https://kluwerlawonline.com/api/Product/CitationPDFURL?file=Journals\EURO\EURO2020002.pdf European Public Law