Columbia subject headings:
Authoritarianism--Europe--History.
Democracy--History.
Europe--Politics and government.
United States--Politics and government.
Harvard subject headings:
Authoritarianism--Europe--History.
Democracy--History
Europe--Politics and government.
United States--Politics and government.
Princeton subject headings:
Authoritarianism--Europe--History.
Democracy--History.
Europe--Politics and government.
United States--Politics and government.