http://www.cer.org.uk/sites/default/files/insight_AG_CO_18.5.17.pdf
https://worldjusticeproject.org/sites/default/files/documents/WJP-INDEX-2021.pdf
https://www.cgdev.org/blog/beyond-brexit-end-eu-uk-free-movement-should-reset-debate-uk-migration-policy
https://www.prospectmagazine.co.uk/world/united-states/67655/the-presidents-crimes-trump-v-united-states-supreme-court