March, Luke; Mudde, Cas (2005). "What's Left of the Radical Left? The European Radical Left After 1989: Decline and Mutation". Comparative European Politics. 3 (3). Palgrave Macmillan: 23–49. doi:10.1057/palgrave.cep.6110052. S2CID55197396.
Notes
^The social-democratic nature of SMER is disputed.[61]
^Harry McGee (9 October 2015). "People Before Profit and the Anti Austerity Alliance - spot the difference". The Irish Times. Retrieved 16 April 2018. For anybody who has not been intimately involved with the Socialist Workers Party or the Socialist Party, you would need to have a PhD in semantics and rhetoric to winkle out the actual ideological difference between them. They are both Trotskyist and advocate permanent revolution and political agitation through working class mass action in capitalist societies such as Ireland.[verification needed]
^Since 2018 Lega Nord has filed electoral lists as Lega, including its sister party Lega per Salvini Premier and former members of Us with Salvini. [verification needed]
^Griffiths, Robert (14 August 2015). "Against austerity, mobilise zany unite". www.communist-party.org.uk. Retrieved 20 August 2015. austerity has been about enlarging the private sector at the expense of the public one, cutting the level of real wages, reducing the levels of corporation tax on big business profits and increasing both the mass and rate of corporate profit.[verification needed]