The world book encyclopedia. 

 - USA :  World book inc,   1991. 
 - 902 p. : 
 -  Vol. 14  Vol. 1  Vol. 22  Vol.13  Vol. 13  Vol. 15 .
<br/><br/><label>ISBN: </label>0716600919 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Encyclopedia
<br/><br/><label>Dewey Class. No.: </label>REF