Encyclopedia Britanica. 

 - London :  William benton,  c 1973. 
 - Vols. :  ill. ;  29 cm. 
<br/><br/>V. 6-- ; 
<br/><br/>42  42 
<br/><br/><label>ISBN: </label>0-85229-173-6 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Encyclopedias <br/>Dictionaries.
<br/><br/><label>Dewey Class. No.: </label>032 / E19