Columbia subject headings:
Harvard subject headings:
Germany--History--Charles V, 1519-1556.
Heinrich, der Jüngere, Duke of Brunswick-Wolfenbüttel, 1489-1568
Schmalkaldic League, 1530-1547.
Princeton subject headings:
Heinrich, der Jüngere, Duke of Brunswick-Wolfenbüttel, 1489-1568.
Reformation--Germany--Early works to 1800.