Download or read book Constantine Porphyrogenitus De Administrando Imperio written by Constantine VII Porphyrogenitus (Emperor of the East) and published by Dumbarton Oaks. This book was released on 1967 with total page 366 pages. Available in PDF, EPUB and Kindle. Book excerpt: This edition contains a wide variety of information on both foreign relations and internal administration and is one of the most important historical documents surviving from the Middle Byzantine period.