Columbia subject headings:
Biscardi, Arnaldo--Congresses.
Byzantine Empire--History--To 527--Congresses.
Canon law--History--Congresses.
Civilization, Classical--Congresses.
Roman law--History--Congresses.
Rome--History--Empire, 284-476--Congresses.
Harvard subject headings:
Biscardi, Arnaldo--Congresses.
Byzantine Empire--History--To 527--Congresses.
Civilization, Classical--Congresses
Roman law--History--Congresses.
Rome--History--Empire, 284-476--Congresses.
Princeton subject headings: