Columbia subject headings:
Austria--History--Rudolf II, 1576-1612.
Europe--History--1517-1648.
Europe--Military relations--Turkey.
Turkey--Military relations--Europe.
Harvard subject headings:
Princeton subject headings:
Austria--History, Military.
Austria--History--Rudolf II, 1576-1612.
Europe--Foreign relations.
Europe--History--1517-1648.
Turkey--History, Military.
Turkey--History--1453-1683.