Columbia subject headings:
Charles V, Holy Roman Emperor, 1500-1558--Sources.
Holy Roman Empire--History--Charles V, 1519-1556--Sources.
Spain--History--Charles I, 1516-1556--Sources.
Harvard subject headings:
Charles V, Holy Roman Emperor, 1500-1558--Sources.
Holy Roman Empire--History--Charles V, 1519-1556--Sources.
Spain--History--Charles I, 1516-1556--Sources.
Princeton subject headings:
Charles V, Holy Roman Emperor, 1500-1558--Authorship.
Charles V, Holy Roman Emperor, 1500-1558.
Charles V, Holy Roman Emperor, 1500-1558. Commentaires--Criticism, Textual.
Germany--History--Charles V, 1519-1556--Early works to 1800.
Germany--Kings and rulers--Biography--Early works to 1800.