Columbia subject headings:
Poland--History--Boleslaus III, 1102-1138.
Princes--Poland--Biography.
Władysław II, Prince of Silesia, 1105-1159.
Harvard subject headings:
Poland--History--Piast period, 960-1386
Poland--Kings and rulers--Biography
Władysław II, Prince of Silesia, 1105-1159.
Princeton subject headings:
Poland--History--Boleslaus III, 1102-1138.
Princes--Poland--Biography.
Władysław II, Prince, son of Bolesław III, King of Poland, 1105-1159.