Columbia subject headings:
Epic poetry--History and criticism.
Folk songs, Slavic--History and criticism.
Homer.
Poetry, Medieval--History and criticism.
Harvard subject headings:
Epic poetry--History and criticism
Folk songs, Slavic--History and criticism.
Homer
Poetry, Medieval--History and criticism.
Princeton subject headings:
Epic poetry--History and criticism.
Folk songs, Slavic--History and criticism.
Homer.
Poetry, Medieval--History and criticism.