Columbia subject headings:
Russkai︠a︡ pravoslavnai︠a︡ t︠s︡erkovʹ--Periodicals.
Harvard subject headings:
Orthodox Eastern Church--Liturgy--Calendar.
Orthodox Eastern Church--Russia (Federation)
Russkai︠a︡ pravoslavnai︠a︡ t︠s︡erkovʹ--Periodicals.
Princeton subject headings:
Russkai︠a︡ pravoslavnai︠a︡ t︠s︡erkovʹ.