Columbia subject headings:
Harvard subject headings:
Church music--Greece--Russian influences.
Church music--Orthodoxos Ekklēsia tēs Hellados--Russian influences.
Church music--Russkai︠a︡ pravoslavnai︠a︡ t︠s︡erkovʹ--Influence.
Princeton subject headings:
Church music--Orthodox Eastern Church--Russian influences.
Sequences (Liturgy)