Columbia subject headings:
Harvard subject headings:
Frederick II, King of Prussia, 1712-1786.
Prussia (Germany)--Court and courtiers--18th century.
Prussia (Germany)--Court and courtiers--19th century.
Princeton subject headings:
Frederick II, King of Prussia, 1712-1786.
Prussia (Germany)--Court and courtiers--18th century.
Prussia (Germany)--Court and courtiers--19th century.