Columbia subject headings:
Harvard subject headings:
Authority--History--To 1500.
Byzantine Empire--History.
Byzantine Empire--Politics and government--1081-1453.
Byzantine Empire--Politics and government--527-1081.
Emperors--Byzantine Empire
Monasteries and state--Byzantine Empire.
Monasticism and religious orders--Byzantine Empire--History.
Monks--Byzantine Empire.
Power (Social sciences)--Byzantine Empire.
Princeton subject headings:
Byzantine Empire--Church history.
Byzantine Empire--History.
Byzantine Empire--Politics and government.
Church and state--Byzantine Empire--History.
Church history--Primitive and early church, ca. 30-600.
Emperors--Byzantine Empire.
Monasteries--Byzantine Empire--History.
Monasticism and religious orders--Byzantine Empire.