Columbia subject headings:
Animals in literature.
Epic poetry, Latin (Medieval and modern)--History and criticism.
Harvard subject headings:
Animals in literature
Epic poetry, Latin (Medieval and modern)--History and criticism.
Epic poetry, Latin--History and criticism.
Latin poetry, Medieval and modern--History and criticism.
Nivardus, active 12th century. Ysengrimus.
Princeton subject headings:
Animals in literature.
Epic poetry, Latin--History and criticism.
Latin poetry, Medieval and modern--History and criticism.