Columbia subject headings:
Ethnic relations.
Ethnology.
Sociolinguistics--Soviet Union.
Sociolinguistics.
Soviet Union--Ethnic relations.
Harvard subject headings:
Ethnic relations.
Ethnology.
Sociolinguistics--Soviet Union.
Sociolinguistics.
Soviet Union--Ethnic relations.
Princeton subject headings:
Ethnology--Soviet Union.
Soviet Union--Ethnic relations.