Columbia subject headings:
Harvard subject headings:
Enlightenment--History.
Equality--Philosophy--History.
Europe--Intellectual life.
Justice (Philosophy)--History.
Liberty--Philosophy--History.
Political science--Philosophy--History
Princeton subject headings:
Enlightenment--History.
Equality--Philosophy--History.
Europe--Intellectual life.
Justice (Philosophy)--History.
Liberty--Philosophy--History.
Political science--Philosophy--History.