1. Act on the Rights of Nationalities of Hungary (2011)
2. Advisory Committee on the Framework Convention for the Protection of National Minorities (2010) Third opinion on Hungary
3. Bray Z (2012) Basque nationalism at a political crossroads. World Politics Review. https://www.worldpoliticsreview.com/basque-nationalism-at-a-political-crossroads/. Accessed 14 Aug 2022
4. Cassese A (1995) Self-determination of the peoples, a legal reappraisal. Cambridge University Press
5. Constitution of Spain (1978)