Columbia subject headings:
Harvard subject headings:
Cultural relations--Congresses.
Ethnic relations--Congresses
Ethnicity--Congresses
Intercultural communication--Congresses.
Language and culture--Congresses.
Sociolinguistics--Congresses.
Princeton subject headings:
Cultural relations--Congresses.
Ethnic relations--Congresses.
Ethnicity--Congresses.
Intercultural communication--Congresses.
Language and culture--Congresses.
Sociolinguistics--Congresses.