Columbia subject headings:
Europe--History--1517-1648--Sources.
Germany--History--Charles V, 1519-1556--Sources.
Holy Roman Empire--History--Charles V, 1519-1556--Sources.
Harvard subject headings:
Europe--History--1517-1648--Sources.
Germany--History--Charles V, 1519-1556--Sources.
Holy Roman Empire--History--Charles V, 1519-1556--Sources.
Princeton subject headings:
Europe--History--1517-1648--Sources.
Germany--History--Charles V, 1519-1556--Sources.
Holy Roman Empire--History--Charles V, 1519-1556--Sources.