Kula, Witold   . <br/><br/>
An economic theory of the feudal system /  
by Witold Kula. 
 - London :   NLB ,   1962. 
 - 191p. :   ills. diagrams ;   24cm .  
<br/><br/>NULL 
<br/><br/><label>ISBN: </label> NULL (HB) 
<br/><br/><label>Subjects--Index Terms: </label>ECONOMIC DEVELOPMENT 
<br/><br/><label>Dewey Class. No.: </label>330.9438  / KUL/F