Columbia subject headings:
Europe--History--1517-1648--Fiction.
Harvard subject headings:
Europe--History--1517-1648--Fiction.
Germany--History--1618-1648--Fiction.
Thirty Years' War, 1618-1648--Fiction
Princeton subject headings:
Europe--History--1517-1648--Fiction.
Fiction.
Thirty Years' War, 1618-1648--Fiction.