Ullmann, Walter.  1910- <br/><br/>
A history of political thought:  the Middle Ages/  eng. 

 - [1st ed. reprinted with revisions] 
 - Harmondsworth:  Penguin,  1970. 
 - 253 p.:  18 cm. 
<br/><br/>Bibliography: p. 233-240. 
<br/><br/><label>ISBN: </label>0140207783 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Political science--History.
<br/><br/><label>Dewey Class. No.: </label>320.0902  / ULL