Columbia subject headings:
Hobbes, Thomas, 1588-1679.
Political science--History.
Political science--Philosophy.
Social contract.
Harvard subject headings:
Hobbes, Thomas, 1588-1679--Contributions in political philosophy.
Political science--History
Political science--Philosophy
Social contract.
Princeton subject headings:
Hobbes, Thomas, 1588-1679--Contributions in political philosophy.
Social contract.