https://www.hrfn.org/wp-content/uploads/2017/05/20170530-Supporting-inclusive-movements-wellsprings.pdf
https://lawliberty.org/book-review/when-legions-ruled/
https://www.etui.org/content/download/35697/354977/file/18+Social+policy+in+EU+2018+OSE+Web+version.pdf