https://rightsinfo.org/time-talk-solitary-confinement/

https://howardleague.org/legal-work/solitary-confinement/

https://www.penalreform.org/blog/monitoring-isolation-and-solitary-confinement-in-the-uk/


https://www.theguardian.com/world/2016/apr/27/uks-most-vulnerable-and-dangerous-inmates-live-side-by-side-in-solitary