Columbia subject headings:
Church and state--Soviet Union.
Persecution--Soviet Union.
Russkai︠a︡ pravoslavnai︠a︡ t︠s︡erkovʹ.
Harvard subject headings:
Church and state--Soviet Union
Persecution--Soviet Union
Russkai︠a︡ pravoslavnai︠a︡ t︠s︡erkovʹ
Princeton subject headings:
Christianity--Soviet Union.
Soviet Union--Religion.