The world of learning 

 - 47th ed. 
 - England  Europa Publications  1997 
 - xv,2026p.  29cm 
<br/><br/><label>ISBN: </label>1 85743 032 8 
<br/><br/><label>Subjects--Index Terms: </label>Knowledge,theory of 
<br/><br/><label>Dewey Class. No.: </label>060  / WOR