The New Encyclopaedia Britannica : Volume 7 / 

 - Chicago :  Encyclopaedia Inc ,  1989. 
 - 1046p ;  ills.;  29cm. 
 - Encyclopaedia Britanica .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Encyclopaedias  - general 
<br/><br/><label>Dewey Class. No.: </label>030  / BRI