
https://insightcrime.org/wp-content/uploads/2023/06/HGBF-US-Policy-OC-and-Migration-Policy-Brief-InSight-Crime-June-2023-FINAL-ENG.pdf

https://www.gov.uk/guidance/status-of-eu-nationals-in-the-uk-what-you-need-to-know

http://theconversation.com/eu-agencies-a-brexit-loss-nobodys-talking-about-76222