Columbia subject headings:
Catalonia (Spain)--Emigration and immigration.
Catalonia (Spain)--Population.
France--Emigration and immigration.
French--Spain--Catalonia.
Harvard subject headings:
Catalonia (Spain)--Emigration and immigration.
Catalonia (Spain)--Population.
France in Catalonia.
France--Emigration and immigration.
French--Spain--Catalonia.
Princeton subject headings:
Catalonia (Spain)--Emigration and immigration.
Catalonia (Spain)--Population.
France in Catalonia.
France--Emigration and immigration.