Masson, Georgina <br/><br/>
Frederick II of Hohenstaufen :  a life / 
Georgina Masson 
 - New York :  Octagon Books,  1973 
 - 376 p. ; 23 cm. 
<br/><br/> Reprint of the ed. published by Secker & Warburg, London 
<br/><br/>Includes bibliographical references (p.368-370) and index 
<br/><br/><label>ISBN: </label>0374952973 
<br/><br/><label>Subjects--Personal Names: </label><br/>Frederick II,  Holy Roman Emperor,  1194-1250 
<br/><br/><label>Subjects--Geographic Terms: </label><br/>Holy Roman Empire--Kings and rulers--Biography<br/>Naples (Kingdom)--Kings and rulers--Biography