Columbia subject headings:
Church and state--Russia (Federation)--History--Sources.
Russkai︠a︡ pravoslavnai︠a︡ t︠s︡erkovʹ--History--Sources.
Harvard subject headings:
Church and state--Russia (Federation)--History--Sources.
Russkai︠a︡ pravoslavnai︠a︡ t︠s︡erkovʹ--History--Sources.
Princeton subject headings:
Church and state--Soviet Union--History--Sources.
Orthodox Eastern Church--Soviet Union--History--Sources.
Russkai︠a︡ pravoslavnai︠a︡ t︠s︡erkovʹ--History--Sources.