Columbia subject headings:
Prussia (Germany)--Court and courtiers.
Prussia (Germany)--History--Frederick William II, 1786-1797.
Harvard subject headings:
Prussia (Germany)--Court and courtiers.
Prussia (Germany)--History--Frederick William II, 1786-1797.
Princeton subject headings:
Prussia (Germany)--Court and courtiers.
Prussia (Germany)--History--Frederick William II, 1786-1797.