Columbia subject headings:
Byzantine Empire--History--Constantine VII Porphyrogenitus, 913-959.
Byzantine literature--History and criticism.
Constantine VII Porphyrogenitus, Emperor of the East, 905-959.
Harvard subject headings:
Byzantine Empire--History--Constantine VII Porphyrogenitus, 912-959.
Byzantine literature--History and criticism.
Constantine VII Porphyrogenitus, Emperor of the East, 905-959.
Princeton subject headings:
Byzantine Empire--History--Constantine VII Porphyrogenitus, 913-959.
Byzantine literature--History and criticism.
Constantine VII Porphyrogenitus, Emperor of the East, 905-959.