Columbia subject headings:
Eusebius, Saint, Bishop of Vercelli, approximately 283-371--Congresses.
Vercelli (Italy)--Church history--Congresses.
Harvard subject headings:
Eusebius, Saint, Bishop of Vercelli, approximately 283-371.
Vercelli (Italy)--Church history.
Princeton subject headings:
Eusebius, Saint, Bishop of Vercelli, approximately 283-371--Congresses.
Vercelli (Italy)--Church history--Congresses.