Columbia subject headings:
Hobbes, Thomas, 1588-1679.
Liberalism.
Locke, John, 1632-1704.
Political science.
Rousseau, Jean-Jacques, 1712-1778.
Harvard subject headings:
Hobbes, Thomas, 1588-1679--Contributions in political science.
Liberalism.
Locke, John, 1632-1704--Contributions in political science.
Rousseau, Jean-Jacques, 1712-1778
Princeton subject headings:
Hobbes, Thomas, 1588-1679--Contributions in political science.
Liberalism.
Locke, John, 1632-1704--Contributions in political science.
Rousseau, Jean-Jacques, 1712-1778.