
https://ukandeu.ac.uk/the-uk-internal-market-bill-breaking-law-and-reputation/?mc_cid=7627d659c2&mc_eid=815b1928ec

http://www.migrationobservatory.ox.ac.uk/wp-content/uploads/2017/05/Commentary-net-and-election17.pdf

https://www.opendemocracy.net/en/dark-money-investigations/laws-protecting-britains-democracy-from-big-money-are-broken/