Feudal Society,/  The Growth of Ties of Dependence 
Manyonl,A. 
 - London:  University of Chicago Press,  1961. 
 - 279 
<br/><br/><label>ISBN: </label>0226059782 
<br/><br/><label>Dewey Class. No.: </label>321.3  / BLO/F