Columbia subject headings:
Church and state--Soviet Union.
Orthodox Eastern Church--Russia--History.
Orthodox Eastern Church--Soviet Union--History.
Russia--Church history.
Russkai︠a︡ pravoslavnai︠a︡ t︠s︡erkovʹ--History.
Soviet Union--Church history.
Harvard subject headings:
Russians--Foreign countries.
Russkai︠a︡ pravoslavnai︠a︡ t︠s︡erkovʹ
Princeton subject headings:
Millennium of Christianity in Kievan Rus, 988-1988.
Russia--History--Religious aspects.
Russia--Intellectual life.
Soviet Union--History--Religious aspects.
Soviet Union--Intellectual life.