
https://www.gov.uk/government/uploads/system/uploads/attachment_data/file/224244/evidence-british-influence.pdf

https://ec.europa.eu/commission/sites/beta-political/files/revised_withdrawal_agreement_including_protocol_on_ireland_and_nothern_ireland.pdf

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