Columbia subject headings:
Catalonia (Spain)--Relations--Spain.
Self-determination, National--Spain--Catalonia--History--21st century.
Spain--Relations--Spain--Catalonia.
Harvard subject headings:
Catalonia (Spain)--Relations--Spain.
Self-determination, National--Spain--Catalonia--History--21st century.
Spain--Relations--Spain--Catalonia.
Princeton subject headings:
Catalonia (Spain)--Relations--Spain.
Self-determination, National--Spain--Catalonia--History--21st century.
Spain--Relations--Spain--Catalonia.