https://www.prospectmagazine.co.uk/magazine/margaret-macmillan-black-death-covid-19-lessons-history
https://www.cipd.co.uk/knowledge/work/trends/labour-market-outlook
https://www.greeneuropeanjournal.eu/du-socle-europeen-de-droits-sociaux-a-leuro-dividende-le-choix-dune-europe-sociale-ambitieuse/