Columbia subject headings:
Mary, Blessed Virgin, Saint--Assumption.
Orthodox Eastern Church--Liturgy.
Harvard subject headings:
Byzantine Empire--Church history--Sources.
Mary, Blessed Virgin, Saint--Assumption--History of doctrines--Middle Ages, 600-1500--Sources.
Mary, Blessed Virgin, Saint--Assumption.
Orthodox Eastern Church--Liturgy and ritual.
Princeton subject headings:
Mary, Blessed Virgin, Saint--Assumption.
Orthodox Eastern Church. Liturgy and ritual.