Columbia subject headings:
Harvard subject headings:
Immigrants--Spain--Catalonia--Language.
Language and languages--Variation
Languages in contact--Spain--Catalonia.
Multilingualism--Germany--Hamburg.
Multilingualism--Spain--Catalonia.
Princeton subject headings:
Immigrants--Spain--Catalonia--Language.
Language and languages--Variation.
Languages in contact--Spain--Catalonia.
Multilingualism--Germany--Hamburg.
Multilingualism--Spain--Catalonia.