Columbia subject headings:
Holy Roman Empire--Church history--16th century.
Holy Roman Empire--Church history--17th century.
Holy Roman Empire--History--1517-1648.
Holy Roman Empire--History--Maximilian I, 1493-1519.
Harvard subject headings:
Holy Roman Empire--Church history--16th century.
Holy Roman Empire--Church history--17th century.
Holy Roman Empire--History--1517-1648.
Holy Roman Empire--History--Maximilian I, 1493-1519.
Princeton subject headings:
Church and state--Germany.
Reformation--Germany--Political aspects.
Religion and geography.