Columbia subject headings:
Catholic Church--Byzantine rite, Slavic.
Russkai︠a︡ pravoslavnai︠a︡ t︠s︡erkovʹ.
Harvard subject headings:
Catholic Church--Byzantine rite, Slavic.
Russkai︠a︡ pravoslavnai︠a︡ t︠s︡erkovʹ
Princeton subject headings: