Columbia subject headings:
Enlightenment.
Great Britain--Social conditions--18th century.
Social sciences--Scotland--History--18th century.
Harvard subject headings:
Enlightenment.
Great Britain--Social conditions--18th century.
Social sciences--Scotland--History--18th century.
Princeton subject headings:
Enlightenment.
Great Britain--Social conditions--18th century.
Social sciences--Scotland--History--18th century.