Columbia subject headings:
Culture conflict--History--20th century.
Culture conflict--History--21st century.
Ethnic conflict--History--20th century.
Ethnic conflict--History--21st century.
Social conflict--History--20th century.
Social conflict--History--21st century.
Harvard subject headings:
Cross-cultural studies.
Culture conflict.
Ethnic conflict
Political culture.
Social conflict.
Princeton subject headings: