Columbia subject headings:
Harvard subject headings:
Aristotle--Influence.
Aristotle. Politics.
Despotism--History--To 1500.
Liberty--History--To 1500.
Political science--History--To 1500
Serfdom--History--To 1500.
Princeton subject headings:
Aristotle--Influence.
Aristotle. Politics.
Despotism--History--To 1500.
Liberty--History--To 1500.
Political science--History--To 1500.
Serfdom--History--To 1500.