https://blogs.timesofisrael.com/the-kapo-trials/
https://www.brookings.edu/wp-content/uploads/2018/04/workingpaper114-elephantchartrevisited.pdf
https://www.socialeurope.eu/wp-content/uploads/2019/01/03_Brexit_Kroeger.pdf
https://www.ips-journal.eu/topics/democracy-and-society/german-companies-have-to-ensure-decent-working-conditions-5013/