Columbia subject headings:
Harvard subject headings:
Ioann, Metropolitan of Saint Petersburg and Ladoga, 1927---Congresses.
Ioann, Metropolitan of Saint Petersburg and Ladoga, 1927-1995--Congresses.
Russkai︠a︡ pravoslavnai︠a︡ t︠s︡erkovʹ--History--Congresses.
Princeton subject headings:
Ioann, Metropolitan of Saint Petersburg and Ladoga, 1927-1995--Congresses.
Russkai︠a︡ pravoslavnai︠a︡ t︠s︡erkovʹ--History--Congresses.