1. Bale, T. (2012), ‘Supplying the Insatiable Demand: Europe’s Populist Radical Right’ in Government and Opposition, 47 (2), 256–274
2. Bennie, L. (2004), Understanding Political Participation: Green Party Membership in Scotland, Farnham: Ashgate
3. Bornschier, S. (2010) Cleavage politics and the populist right: the new cultural conflict in Western Europe. Philadelphia: Temple University Press
4. Bornschier, S. and Kriesi, H. (2012) ‘The populist right, the working class, and the changing face of class politics’ in Class Politics and the Radical Right (ed. Rydgren, J.). Oxford: Routledge, 10–30
5. Burchell, J. (2002), The Evolution of Green Politics: Development & Change within European Green Parties, London: Earthscan