Why would you presume the policy is ‘hope they leave’. Badenoch is on record as saying she hopes for a U.K. ‘ice’ www.theguardian.com/politics/202... with no deportation agreements in place this is clearly a policy to build camps… and they are proposing a budget to do this

you can find the contents of the book here and a very nice pre-pub review of it by Amanda Vickery: uolpress.co.uk/book/democra...

Huge numbers of Italians for eg

The closest thing I can think of to some extensive research is in Kathleen Paul’s Whitewashing- but that focused on EVWs.., like so much else

There’s masses of civil service paperwork in well trodden Dominions Office/CRO files worrying about easier access for ‘aliens’ than commonwealth citizens post 62… but I haven’t ever seen a study of HO in 40s/50s and the unpicking of the *very hostile ‘aliens’ policies put in place post 1920

Because the changes in policy are so striking from the era Louise London in describes in the 30s to the 50s -73