Norman  Barraclough  <br/><br/>
Preology / 
Barraclough  N. 
 - Oxford :  Pergamon press ;  1980. 
 - 260pages. 
<br/><br/><label>ISBN: </label>0080260837 
<br/><br/><label>LC Class. No.: </label>BD 450  / .B37 1980