CONSTANTINE THE PURPLE-BORN

original: "Porphyrogenitus"; this epithet signifies an emperor born in the Porphyra, the purple stone chamber of the imperial palace in Constantinople, which served to underscore his legitimacy as a royal heir.

ON THE ADMINISTRATION OF THE EMPIRE

original: "De Administrando Imperio"; though the work was originally written in Greek, it is historically known by this Latin title. It was compiled by Emperor Constantine VII as a confidential guide for his son and successor, Romanos II, regarding foreign diplomacy and the governance of neighboring nations.

DUMBARTON OAKS TEXTS

I.