Columbia subject headings:
Orthodox Eastern Church--Soviet Union--History.
Russians--Foreign countries.
Russkai︠a︡ pravoslavnai︠a︡ t︠s︡erkovʹ--History--20th century.
Soviet Union--Church history.
Harvard subject headings:
Orthodox Eastern Church--Soviet Union--History.
Russians--Foreign countries--Religion.
Russians--Foreign countries.
Russkai︠a︡ pravoslavnai︠a︡ t︠s︡erkovʹ--History--20th century.
Soviet Union--Church history.
Princeton subject headings:
Orthodox Eastern Church--Soviet Union--History.
Russians--Foreign countries--Religion.
Russkai︠a︡ pravoslavnai︠a︡ t︠s︡erkovʹ--History--20th century.
Soviet Union--Church history.