https://www.gov.pl/web/primeminister/letter-from-prime-minister-mateusz-morawiecki-to-the-heads-of-governments-and-the-presidents-of-the-european-council-the-european-commission-and-the-european-parliament-on-relations-between-national-law-and-european-law
https://ukandeu.ac.uk/wp-content/uploads/2024/03/UKICE-Brexit-and-the-State.pdf
https://lawliberty.org/book-review/was-the-british-empire-really-a-force-for-good/