Columbia subject headings:
Harvard subject headings:
Germany--Church history--16th century.
Germany--Church history--17th century.
Germany--History--1517-1648.
Nationalism--Germany
Reformation--Germany
Reformation--Germany--Causes.
Thirty Years' War, 1618-1648
Princeton subject headings:
Germany--History--1517-1648.
Nationalism--Germany--History--16th century.
Nationalism--Germany--History--17th century.
Reformation--Germany.