Columbia subject headings:
Harvard subject headings:
Bierbach, Christine--Bibliography.
Cultural pluralism.
Intercultural communication.
Multilingualism.
Romance languages--Social aspects.
Sociolinguistics.
Princeton subject headings:
Bierbach, Christine--Bibliography.
Catalan language--Social aspects.
Immigrants--Language--Social aspects.
Intercultural communication.
Languages in contact.
Multilingualism.
Rai (Music)--Social aspects.
Rap (Music)--Greece--Athens.
Romance languages--Social aspects.
Sociolinguistics.