Columbia subject headings:
Christian poetry, Byzantine--History and criticism.
Hymns, Greek--History and criticism.
Romanus, Melodus, Saint, active 6th century--Language.
Harvard subject headings:
Christian poetry, Byzantine--History and criticism.
Hymns, Greek--History and criticism.
Romanus, Melodus, Saint, active 6th century--Language.
Princeton subject headings:
Romanus, Melodus, Saint, active 6th century.