Columbia subject headings:
Harvard subject headings:
Europe--History--1517-1648
Germany--History--1618-1648
Thirty Years' War, 1618-1648
Princeton subject headings:
Europe--Intellectual life--17th century.
Europe--Politics and government--1517-1648.
Germany--Church history--17th century.
Germany--History--1517-1648.
Thirty Years' War, 1618-1648--History.
Thirty Years' War, 1618-1648--Religious aspects.