Columbia subject headings:
Harvard subject headings:
Constantinople (Ecumenical patriarchate). Hiera Archiepiskopē Thyateirōn kai Megalēs Vretannias--Liturgy--Texts.
Lord's Supper (Liturgy)--Texts
Orthodox Eastern Church--Liturgy--Texts.
Orthodox Eastern Church--Prayers and devotions.
Princeton subject headings:
Constantinople (Ecumenical patriarchate). Hiera Archiepiskopē Thyateirōn kai Megalēs Vretannias--Liturgy--Texts.
Lord's Supper (Liturgy)--Texts.
Orthodox Eastern Church--Liturgy--Texts.