Columbia subject headings:
Church history--Primitive and early church, ca. 30-600--Congresses.
Religion and politics--Rome--Congresses.
Rome--History--Germanic Invasions, 3rd-6th centuries--Congresses.
Harvard subject headings:
Church history--Primitive and early church, ca. 30-600--Congresses.
Religion and politics--Rome--Congresses.
Rome--History--Germanic Invasions, 3rd-6th centuries--Congresses.
Princeton subject headings: