Browning, Robert.
The Byzantine Empire /
Robert Browning 
. - Revised edition 
. - Washington : Catholic University of America Press,  1992 
. - xxii, 310 p.  ill.  24 cm. 
<br/>К.: Бібліогр. : c. 299-302, Index 
<br/><label>  ISBN: </label>0-8132-0754-1