Columbia subject headings:
Harvard subject headings:
Civil rights--History--18th century.
Constitutional history.
Middle class--History--18th century.
Political science--History--18th century
Power (Social sciences)--History--18th century.
Princeton subject headings:
Civil rights--History--18th century.
Constitutional history.
Middle class--History--18th century.
Political science--History--18th century.
Power (Social sciences)--History--18th century.