Columbia subject headings:
Harvard subject headings:
Russkai︠a︡ pravoslavnai︠a︡ t︠s︡erkovʹ--Clergy.
Princeton subject headings:
Clergy--Russia--History--19th century.
Clergy--Russia--History--20th century.
Russkai︠a︡ pravoslavnai︠a︡ t︠s︡erkovʹ--Clergy--History--19th century.
Russkai︠a︡ pravoslavnai︠a︡ t︠s︡erkovʹ--Clergy--History--20th century.