Columbia subject headings:
Charlemagne, Emperor, 742-814--In literature.
Charlemagne, Emperor, 742-814--Influence.
Charlemagne, Emperor, 742-814--Legends--History and criticism.
Charlemagne, Emperor, 742-814--Romances--History and criticism.
Civilization, Medieval.
Holy Roman Empire--Kings and rulers--Biography.
Harvard subject headings:
Charlemagne, Emperor, 742-814--In literature.
Charlemagne, Emperor, 742-814--Influence.
Charlemagne, Emperor, 742-814--Legends--History and criticism.
Charlemagne, Emperor, 742-814--Romances--History and criticism.
Civilization, Medieval.
Holy Roman Empire--Kings and rulers--Biography.
Princeton subject headings:
Charlemagne, Emperor, 742-814--In literature.
Charlemagne, Emperor, 742-814--Influence.
Charlemagne, Emperor, 742-814--Legends--History and criticism.
Charlemagne, Emperor, 742-814--Romances--History and criticism.
Civilization, Medieval.
Holy Roman Empire--Kings and rulers--Biography.