https://lawliberty.org/the-new-american-anarchists/
https://papers.ssrn.com/sol3/Delivery.cfm/SSRN_ID3934683_code1082902.pdf?abstractid=3479439&mirid=1
http://blogs.lse.ac.uk/brexit/2017/08/11/book-review-shifting-baselines-of-europe/
https://www.ituc-csi.org/ituc-global-rights-index-2020