Ruffini, Giovanni Roberto, <br/><br/>
Social Networks in Byzantine Egypt : 

 -  Cambridge University Press,  2008. 
 - 288 pages 
<br/><br/><label>ISBN: </label>9780521895378 
<br/><br/><label>Subjects--Topical Terms: </label><br/>History.
<br/><br/><label>Dewey Class. No.: </label>302.40932  / RUF