https://www.express.co.uk/news/world/861001/Catalan-referend...
https://www.hrw.org/news/2017/10/12/spain-police-used-excess...
https://www.aljazeera.com/news/2017/10/catalan-vote-claims-s...
https://www.bbc.co.uk/news/av/world-europe-41463955/cataloni...
https://www.thesun.co.uk/news/4586709/catalonia-won-right-in...