The new encyclopaedia Britannica 

 - 15th ed. 
 - Chicago :  Encyclopaedia Britannica,  c1978 
 - 30 v. :  ill. (some col.), maps ;  29 cm 
<br/><br/>Includes bibliographical references and indexes 
<br/><br/><label>ISBN: </label>0852293305 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Encyclopedias and dictionaries
<br/><br/><label>Dewey Class. No.: </label>R 032  / N862  1978