Columbia subject headings:
Russkai︠a︡ pravoslavnai︠a︡ t︠s︡erkovʹ--Congresses.
Soviet Union--Church history--Congresses.
Harvard subject headings:
Russkai︠a︡ pravoslavnai︠a︡ t︠s︡erkovʹ--Congresses.
Soviet Union--Church history--Congresses.
Princeton subject headings:
Russkai︠a︡ pravoslavnai︠a︡ t︠s︡erkovʹ zagranit︠s︡eĭ.
Russkai︠a︡ pravoslavnai︠a︡ t︠s︡erkovʹ.