Columbia subject headings:
Political persecution--Ukraine--History--20th century.
Ukraine--History--1921-1944.
Ukraine--History--1944-1991.
Harvard subject headings:
Europe--Relations--Ukraine.
Nationalism--Ukraine--History
Political persecution--Ukraine--History--20th century.
Ukraine--History--1921-1944.
Ukraine--History--1944-1991.
Ukraine--Politics and government.
Ukraine--Relations--Europe.
Princeton subject headings: