Marsilius of Padua. the Defender of Peace. Volume I: Marsilius of Padua and Medieval Political Philosophy 

 -  Columbia University Press  1951 
<br/><br/><label>ISBN: </label>9780231886185 
<br/><br/><label>Source: </label>Ebook 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Philosophy