Obolensky, Dimitri <br/><br/>
Byzantine commonwealth Eastern Europe. 500-1453 

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 - London  Weidenfeld  and Nicolson  1971 
 - xiv, 445 p.   
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<br/><br/><label>Subjects--Index Terms: </label>Byzantine commonwealth 
<br/><br/><label>Dewey Class. No.: </label>949.5