WSpanish Socialist Workers' Party of AndalusiaWSocialists' Party of AragonWAsturian Socialist FederationWSocialist Party of the Balearic IslandsWSocialist Party of the Basque Country–Basque Country LeftWSocialist Party of the CanariesWSocialist Party of CantabriaWSocialist Party of Castile and LeónWSocialist Party of Castilla–La ManchaWSocialists' Party of CataloniaWSpanish Socialist Workers' Party of ExtremaduraWSocialists' Party of GaliciaWSocialist Party of La RiojaWSpanish Socialist Workers' Party of the Community of MadridWSocialist Party of the Region of MurciaWSocialist Party of NavarreWSocialist Party of the Valencian Country
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