Columbia subject headings:
Charlemagne, Emperor, 742-814--Romances--History and criticism.
Epic poetry, Latin (Medieval and modern)--History and criticism.
Poetry, Medieval--History and criticism.
Walter, of Aquitaine--Legends--History and criticism.
Waltharius.
Harvard subject headings:
Charlemagne, Emperor, 742-814--Romances--History and criticism.
Epic poetry, Latin (Medieval and modern)--History and criticism.
Poetry, Medieval--History and criticism.
Walter, of Aquitaine--Legends--History and criticism.
Waltharius
Princeton subject headings:
Charlemagne, Emperor, 742-814--Romances--History and criticism.
Epic poetry, Latin (Medieval and modern)--History and criticism.
Poetry, Medieval--History and criticism.
Walter, of Aquitaine--Legends--History and criticism.
Waltharius.