http://www.nationalcrimeagency.gov.uk/publications/european-arrest-warrant-statistics
http://www.lawyersforbritain.org/eu-deal-financial-liabilities.shtml
https://www.bundesverfassungsgericht.de/SharedDocs/Pressemitteilungen/DE/2020/bvg20-032.html
https://assets.publishing.service.gov.uk/government/uploads/system/uploads/attachment_data/file/852960/brydon-review-final-report.pdf