
https://papers.ssrn.com/sol3/Delivery.cfm/SSRN_ID3934683_code1082902.pdf?abstractid=3479439&mirid=1

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

https://www.socialeurope.eu/wp-content/uploads/2018/05/BP1-Devolution.pdf