Columbia subject headings:
Harvard subject headings:
Economics--History
Equality
Equality--Economic aspects.
Liberty
Liberty--Economic aspects.
Locke, John, 1632-1704
Rousseau, Jean-Jacques, 1712-1778
Princeton subject headings:
Economics--History.
Locke, John, 1632-1704.
Rousseau, Jean-Jacques, 1712-1778.