Columbia subject headings:
Frederick II, King of Prussia, 1712-1786--Political and social views.
Harvard subject headings:
Frederick II, King of Prussia, 1712-1786--Political and social views.
Frederick II, King of Prussia, 1712-1786--Views on economics.
Prussia (Germany)--Economic conditions.
Prussia (Germany)--Social conditions.
Princeton subject headings:
Frederick II, King of Prussia, 1712-1786--Political and social views.
Prussia (Germany)--Economic conditions.
Prussia (Germany)--Economic policy.