Columbia subject headings:
Harvard subject headings:
Byzantine Empire--Relations--Holy Roman Empire.
Empresses--Holy Roman Empire--Biography.
Holy Roman Empire--Relations--Byzantine Empire.
Theophano, Empress, consort of Otto II, Holy Roman Emperor, 958-991.
Princeton subject headings:
Byzantine Empire--Relations--Holy Roman Empire.
Empresses--Holy Roman Empire--Biography.
Holy Roman Empire--Relations--Byzantine Empire.
Theophano, Empress, consort of Otto II, Holy Roman Emperor, 958-991.