As the UK can no longer take advantage of EU orphan works exceptions the @BLpressoffice has had to take down their digitised editions of Spare RIb - https://blogs.bl.uk/socialscience/2020/12/digitised-spare-rib-resource.html
"For researchers working on Spare Rib, the full run of the hardcopy magazine remains available via the British Library’s Reading Rooms in London and at Boston Spa". But not at the moment of course!
The UK Government has explicitly repealed the EU orphan works exception as of 1 January 2020 - https://www.gov.uk/guidance/orphan-works-and-cultural-heritage-institutions-copyright-after-the-transition-period
The library community has made representations to the Government on this for a couple of years, to no apparent effect. Importing the exception into local law would have been an easy win - now we're in a worse position than we were on 31 December https://uklaca.org/555/