Columbia subject headings:
Harvard subject headings:
Europe--History--1517-1648.
Holy Roman Empire--History--1517-1648.
Leopold V, Archduke of Tyrol, 1586-1632.
Thirty Years' War, 1618-1648
Princeton subject headings:
Leopold, V, Archduke of Tyrol, 1586-1632.
Thirty Years' War, 1618-1648.