Columbia subject headings:
Charles IV, Holy Roman Emperor, 1316-1378--Travel.
Holy Roman Empire--History--Charles IV, 1347-1378.
Holy Roman Empire--Kings and rulers--Travel--Italy.
Italy--Kings and rulers--Travel.
Italy--Politics and government--1268-1559.
Harvard subject headings:
Charles IV, Holy Roman Emperor, 1316-1378--Journeys.
Holy Roman Empire--History--Charles IV, 1347-1378
Princeton subject headings:
Charles IV, Holy Roman Emperor, 1316-1378--Travel.
Holy Roman Empire--History--Charles IV, 1347-1378.
Holy Roman Empire--Kings and rulers--Travel--Italy.
Italy--Kings and rulers--Travel.
Italy--Politics and government--1268-1559.