Nicephorus Patriarch of Constantinople.
Short history /
Nikephoros, Patriarch of Constantinople ; text, translation, and commentary by Cyril Mango 
. - Washington : Dumbarton Oaks,  Research Library and Collection,  1990 
. - xiii, 247 p.  23 cm. 
 - (Corpus fontium historiae Byzantinae  v. 13  Series Washingtoniensis )(Dumbarton Oaks texts  ; 10 )
<br/><label>  ISBN: </label>0-88402-184-X