The World book encyclopedia. 

 - Chicago :  World Book-Childcraft International,  c1980. 
 - 1021 P. 
<br/><br/> Australasia supplement (2 v.) and British Isles supplement (2 v.) are each numbered as v. 23-24. 
<br/><br/><label>ISBN: </label>0716600803 
<br/><br/><label>Dewey Class. No.: </label>031  / WOR