Columbia subject headings:
Charles IV, Holy Roman Emperor, 1316-1378.
Holy Roman Empire--History--Charles IV, 1347-1378.
Holy Roman Empire--Kings and rulers--Biography.
Harvard subject headings:
Charles IV, Holy Roman Emperor, 1316-1378
Holy Roman Empire--History--Charles IV, 1347-1378.
Holy Roman Empire--Kings and rulers--Biography.
Princeton subject headings:
Charles IV, Holy Roman Emperor, 1316-1378.
Holy Roman Empire--History--Charles IV, 1347-1378.
Holy Roman Empire--Kings and rulers--Biography.