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