
https://researchbriefings.files.parliament.uk/documents/CBP-7212/CBP-7212.pdf

https://www.instituteforgovernment.org.uk/explainers/eu-withdrawal-bill-amendments-and-debates

https://www.instituteforgovernment.org.uk/sites/default/files/publications/IfG_Brexit_Euro_Court_Justice_WEB.pdf