Kaegi, Walter Emil.
Heraclius, emperor of Byzantium /
Walter E. Kaegi 
. - Cambridge : New York : Cambridge University Press,  2003 
. - xii, 359 p.  ill.,   24 cm. 
<br/>К.: Бібліогр. : c. 328-345 
<br/><label>  ISBN: </label>0-521-81459-6 
<br/><br/><label>Subjects--Personal Names: </label><br/>Heraclius Emperor of the East  ca. 575-641