Columbia subject headings:
Europe--Politics and government.
Liberalism--Europe--History.
Liberalism--History.
Political science--History.
Harvard subject headings:
Europe--Politics and government.
Liberalism--Europe--History
Liberalism--History
Political science--History
Princeton subject headings:
Europe--Politics and government.
Liberalism--Europe--History.
Liberalism--History.
Political science--History.