Columbia subject headings:
Poland--History--Stefan Batory, 1575-1586.
Poland--Kings and rulers--Biography.
Stefan Batory, King of Poland, 1533-1586.
Harvard subject headings:
Poland--History--Elective monarchy, 1572-1763--Congresses.
Poland--History--Stefan Batory, 1575-1586--Congresses.
Transylvania (Romania)--History--Congresses.
Princeton subject headings: