Columbia subject headings:
Byzantine Empire--History.
Emperors--Rome--Duties.
Law, Byzantine--History.
Roman law--History.
Rome--History--Empire, 30 B.C.-476 A.D.
Harvard subject headings:
Byzantine Empire
Emperors--Rome
Rome--History--Empire, 30 B.C.-476 A.D.
Rome--Politics and government.
Princeton subject headings:
Byzantine Empire.
Emperors--Rome.
Rome--History--Empire, 30 B.C.-476 A.D.
Rome--Politics and government.