Columbia subject headings:
Karpovich, Leontiĭ, 1580-1620.
Russkai︠a︡ pravoslavnai︠a︡ t︠s︡erkovʹ--Bishops--Biography.
Sermons, Church Slavic.
Harvard subject headings:
Karpovich, Leontiĭ, 1580-1620.
Vilnius (Lithuania)--Church history.
Princeton subject headings: