Year Book. The Annual Supplement to the World Book Encyclopedia. 
 World book 

 -  World Book,  c1997. 
 - 22 v. :  ill. (some col.), col. maps ;  26 cm. 
<br/><br/> Vol. 22 has subtitle: Research guide/index. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>071660096X  
<br/><br/><label>LCCN: </label>95060194  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Encyclopedias and dictionaries.
<br/><br/><label>LC Class. No.: </label>AE5  / .W55 1996 
<br/><br/><label>Dewey Class. No.: </label>031 
<br/><br/><label>Universal Decimal Class. No.: </label>03