Columbia subject headings:
Coptic Church--Liturgy--Texts.
Harvard subject headings:
Basil, Saint, Bishop of Caesarea, approximately 329-379
Coptic Church--Egypt--Music.
Coptic Church--Liturgy--Texts.
Coptic Church--Liturgy.
Coptic Church--Music.
Lord's Supper--Coptic Church
Princeton subject headings:
Chants.
Communion service music.
Coptic Church--Liturgy--Texts.
Coptic chants.