Wilks, M J <br/><br/>
The problem of Sovereignty in the later middle ages 
by M J Wilks 
 - Cambridge  Cambridge University Press  c1963 
 - xiii, 619 p. ; 23 cm 
<br/><br/> Includes index 
<br/><br/><label>ISBN: </label>9780521070188 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Political science
<br/><br/><label>Dewey Class. No.: </label>320.15 WIL