Columbia subject headings:
Harvard subject headings:
European Union countries--Languages.
Language policy--European Union countries.
Language policy--Germany.
Multilingualism--European Union countries.
Translating and interpreting--European Union countries.
Translating services--European Union countries.
Princeton subject headings:
European Union countries--Languages.
Language policy--European Union countries.
Language policy--Germany.
Multilingualism--European Union countries.
Translating and interpreting--European Union countries.
Translating services--European Union countries.