Columbia subject headings:
Byzantine Empire--Economic conditions.
Civilization, Medieval.
East and West.
Economic history--Medieval, 500-1500.
Economics--Byzantine Empire.
Harvard subject headings:
Byzantine Empire--Economic conditions.
Civilization, Medieval
Civilization, Medieval--Economic aspects.
East and West
Economic history--Medieval, 500-1500
Economics--Byzantine Empire.
Princeton subject headings:
Byzantine Empire--Economic conditions.
Civilization, Medieval--Economic aspects.
East and West.
Economic history--Medieval, 500-1500.
Economics--Byzantine Empire.