Columbia subject headings:
Church and state--History.
Orthodox Eastern Church.
Russia--Church history.
Russkai︠a︡ pravoslavnai︠a︡ t︠s︡erkovʹ.
Soviet Union--Church history.
Soviet Union--Intellectual life.
Harvard subject headings:
Russkai︠a︡ pravoslavnai︠a︡ t︠s︡erkovʹ
Princeton subject headings:
Christianity--Russia (Federation)--20th century.
Church and state--Russia (Federation)
Orthodox Eastern Church--Russia (Federation).
Russkai︠a︡ pravoslavnai︠a︡ t︠s︡erkovʹ.