Columbia subject headings:
Harvard subject headings:
Former Soviet republics--Politics and government--20th century.
Former Soviet republics--Politics and government--21st century.
Nationalism--Black Sea Region--History.
Post-communism--Black Sea Region.
Princeton subject headings:
Black Sea Region--Politics and government--20th century.
Black Sea Region--Politics and government--21st century.
Nationalism--Black Sea Region.
Post-communism--Black Sea Region.