Heers, Jacques. <br/><br/>
Historia de la Edad media 
Jacques Heers; traducción de Eulalia Bosch José. 
 - Barcelona  Labor  1976. 
 - 419 p.  [18] fold maps . 
<br/><br/> Translation of: Precis d'histoire du Moyen age. 
<br/><br/>Includes bibliographies. 
<br/><br/><label>ISBN: </label>8433517082 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Middle Ages--History.<br/>Civilization, Medieval 
<br/><br/><label>Subjects--Geographic Terms: </label><br/>Islamic Empire--History.<br/>Byzantine Empire--History.