Keywords: Bilingualism Spain ; Catalonia ; Language policy Spain ; Catalonia ; Catalan language Political aspects ; Spain ; Catalonia ; Multilingualism Spain ; Catalonia ; Bilingualism ; Catalan language Political aspects ; Language policy ; Multilingualism Spain ; Catalonia ; Bilingualism ; Bilingualism Spain ; Catalonia ; Catalan language Political aspects ; Catalan language Political aspects ; Spain ; Catalonia ; Language policy ; Language policy Spain ; Catalonia ; Multilingualism Spain ; Catalonia ; Multilingualism Spain ; Catalonia ; Bilingualism ; Catalan language ; Language policy ; Multilingualism ; Aufsatzsammlung ; Katalonien ; Sprachpolitik ; Mehrsprachigkeit ; Katalanisch ; Sprachverbreitung