J Pen <br/><br/>
Harmony and Conflict in Modern Society 

 - London  McGraw Hill Publishing Co.Inc  1966 
 - 294p 
<br/><br/>J Pen & Trevor S Preston: Harmony and Conflict in Modern Society.  London.  McGraw Hill Publishing Co.Inc, 1966.--(301PEN)   
<br/><br/><br/>ENGLISH 
<br/><br/><label>Dewey Class. No.: </label>301  / PEN