Columbia subject headings:
Charlemagne, Emperor, 742-814--Romances--History and criticism.
Epic poetry, Latin (Medieval and modern)--History and criticism.
Epic poetry, Latin (Medieval and modern)--Roman influences.
Karolus Magnus et Leo Papa.
Leo III, Pope, -816--Romances--History and criticism.
Harvard subject headings:
Charlemagne, Emperor, 742-814--In literature.
Karolus Magnus et Leo Papa.
Princeton subject headings:
Charlemagne, Emperor, 742-814--Romances--History and criticism.
Epic poetry, Latin (Medieval and modern)--History and criticism.
Epic poetry, Latin (Medieval and modern)--Roman influences.
Karolus Magnus et Leo Papa.
Leo III, Pope, -816--Romances--History and criticism.