International Law on the Treatment of Prisoners and on Detention

 https://www.unodc.org/documents/justice-and-prison-reform/Brochure_on_the_UN_SMRs.pdf 

https://www.ohchr.org/en/detention/international-standards-detention 

https://digitalcommons.schulichlaw.dal.ca/cgi/viewcontent.cgi?article=1595&context=dlj