Columbia subject headings:
Europe--Civilization.
Europe--Politics and government.
Europe--Relations--Poland.
Poland--Relations--Europe.
Political science--Poland--History--19th century.
Political science--Poland--History--20th century.
Harvard subject headings:
Cultural pluralism--Europe
Europe--Civilization.
Europe--Politics and government.
Europe--Relations--Poland.
Group identity--Europe
Poland--Relations--Europe
Political science--Poland--History--19th century.
Political science--Poland--History--20th century.
Princeton subject headings: