Constantine VII Porphyrogenitus, Emperor of the East 905-959.
Constantine Porphyrogenitus "Three treatises on imperial military expeditions" /
introduction, edition, translation, and commentary by John F. Haldon 
. - Wien  : Verlag der Österreichischen Akademie der Wissenschaften,  1990 
. - 342 S.  24 cm. 
 - (Corpus fontium historiae Byzantinae  v. 28  Series Vindobonensis )
<br/><label>  ISBN: </label>3-7001-1778-7