Ullmann, Walter,  1910- <br/><br/>
Principles of government and politics in the Middle Ages / 
Walter Ullmann 
 - New York:  Barnes & Noble  [1961] London:  Methuen,  1961 
 - 320 p.  ill.  23 cm. 
<br/><br/>Includes bibliography. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>State, The
<br/><br/><label>Dewey Class. No.: </label>320.15 ULL