Columbia subject headings:
Russkai︠a︡ pravoslavnai︠a︡ t︠s︡erkovʹ--History--20th century.
Harvard subject headings:
Church and state--Russia (Federation)
Russia (Federation)--Religion.
Russkai︠a︡ pravoslavnai︠a︡ t︠s︡erkovʹ--Relations.
Russkai︠a︡ pravoslavnai︠a︡ t︠s︡erkovʹ--Russia (Federation)
Princeton subject headings:
Church and state--Russia (Federation)
Russia (Federation)--Religion.
Russkai︠a︡ pravoslavnai︠a︡ t︠s︡erkovʹ--Relations.
Russkai︠a︡ pravoslavnai︠a︡ t︠s︡erkovʹ--Russia (Federation).