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