Columbia subject headings:
Harvard subject headings:
Caucasus--Civilization.
Caucasus--Ethnic relations.
Caucasus--History.
Caucasus--Politics and government.
Ethnic conflict--Caucasus.
Princeton subject headings:
Caucasus--Civilization.
Caucasus--Ethnic relations.
Caucasus--History.
Caucasus--Politics and government.
Ethnic conflict--Caucasus.