Columbia subject headings:
Harvard subject headings:
Partit Socialista de Catalunya
Princeton subject headings:
Catalonia (Spain)--Politics and government--20th century.
Catalonia (Spain)--Politics and government--21st century.
Nationalism--Spain--Catalonia.
Partit Socialista de Catalunya--History.
Socialism--Spain--Catalonia--History--20th century.
Socialism--Spain--Catalonia--History--21st century.