Columbia subject headings:
Democracy.
Europe--Politics and government.
Japan--Politics and government.
United States--Politics and government.
Harvard subject headings:
Democracy
Europe--Politics and government.
Japan--Politics and government.
United States--Politics and government--1963-1969.
United States--Politics and government.
Princeton subject headings:
Democracy.
Europe--Politics and government.
Japan--Politics and government.
United States--Politics and government.