Columbia subject headings:
Christian saints--Russia--Biography.
John, of Kronstadt, Saint, 1829-1909--Sources.
Harvard subject headings:
Christian saints--Russia--Biography
John, of Kronstadt, Saint, 1829-1909
Russkai︠a︡ pravoslavnai︠a︡ t︠s︡erkovʹ--Clergy--Biography.
Princeton subject headings: