Columbia subject headings:
Holy Roman Empire--History--Charles V, 1519-1556--Sources.
Holy Roman Empire. Reichstag (1530 : Augsburg, Germany)
Reformation--Germany.
Harvard subject headings:
Augsburg Confession.
Holy Roman Empire. Reichstag (1530 : Augsburg, Germany)
Reformation
Princeton subject headings:
Holy Roman Empire. Reichstag (1530 : Augsburg, Germany)