Columbia subject headings:
Clergy--Soviet Union--History.
Russkai︠a︡ pravoslavnai︠a︡ t︠s︡erkovʹ--Clergy--History.
Harvard subject headings:
Clergy--Soviet Union--History.
Russkai︠a︡ pravoslavnai︠a︡ t︠s︡erkovʹ--Clergy--History.
Princeton subject headings:
Clergy--Russia--History--18th century.
Russkai︠a︡ pravoslavnai︠a︡ t︠s︡erkovʹ--Clergy--History--18th century.