Columbia subject headings:
Harvard subject headings:
Frederick II, King of Prussia, 1712-1786--Political and social views.
Prussia (Germany)--Politics and government--20th century.
Rousseau, Jean-Jacques, 1712-1778--Political and social views.
State, The--Philosophy
Princeton subject headings:
Frederick II, King of Prussia, 1712-1786.
Rousseau, Jean-Jacques, 1712-1778--Political and social views.
State, The--Philosophy.