Columbia subject headings:
Arendt, Hannah, 1906-1975.
Berlin, Isaiah, 1909-1997.
Croce, Benedetto, 1866-1952.
Liberty--Philosophy.
Pluralism.
Harvard subject headings:
Arendt, Hannah, 1906-1975--Knowledge--Political science.
Berlin, Isaiah, 1909-1997--Knowledge--Political science.
Croce, Benedetto, 1866-1952--Knowledge--Political science.
Princeton subject headings:
Arendt, Hannah, 1906-1975--Knowledge--Political science.
Berlin, Isaiah, 1909-1997--Knowledge--Political science.
Croce, Benedetto, 1866-1952--Knowledge--Political science.