Columbia subject headings:
Harvard subject headings:
Europe--History.
Europe--Politics and government.
Europe--Relations--Poland.
National characteristics, Polish.
Poland--History
Poland--Politics and government
Poland--Relations--Europe
Princeton subject headings:
Europe--History.
Europe--Politics and government.
Europe--Relations--Poland.
National characteristics, Polish.
Poland--History.
Poland--Politics and government.
Poland--Relations--Europe.