Columbia subject headings:
Brandenburg (Germany : State)--History.
Brandenburg (Germany : State)--Kings and rulers.
Habsburg, House of.
Hohenzollern, House of.
Piast dynasty.
Prussia (Germany)--History.
Prussia (Germany)--Kings and rulers.
Silesia--Kings and rulers.
Harvard subject headings:
Brandenburg (Germany : State)--History
Brandenburg (Germany : State)--Kings and rulers.
Habsburg, House of.
Hohenzollern, House of.
Piast dynasty.
Prussia (Germany)--History.
Prussia (Germany)--Kings and rulers.
Silesia--Kings and rulers.
Princeton subject headings:
Brandenburg (Germany : State)--History.
Brandenburg (Germany : State)--Kings and rulers.
Habsburg, House of.
Hohenzollern, House of.
Piast dynasty.
Prussia (Germany)--History.
Prussia (Germany)--Kings and rulers.
Silesia--Kings and rulers.