https://www.nmc.org.uk/globalassets/sitedocuments/other-publications/nmc-register-2013-2017.pdf
https://bellacaledonia.org.uk/2021/09/24/the-flemish-the-outliers-of-europes-independence-movements/
https://www.opendemocracy.net/can-europe-make-it/nick-rider/catalonia-spain-referendum-there-is-more-than-one-nationalism-in-iberian-peninsula