Columbia subject headings:
Charlemagne, Emperor, 742-814--Legends--History and criticism.
Harvard subject headings:
Charlemagne, Emperor, 742-814--Legends--History and criticism.
Princeton subject headings:
Charlemagne, Emperor, 742-814--Legends--History and criticism.
Holy Roman Empire--Kings and rulers--Historiography.
Spanish literature--Classical period, 1500-1700--History and criticism.
Spanish literature--To 1500--History and criticism.