Encyclopedia Britannica, Inc <br/><br/>
Encyclopedia Britannica Planet Earth 

 -  2010 
<br/><br/> Britannica ; Earth ; Encyclopedia ; Planet ; Universe 
<br/><br/><label>Subjects--Topical Terms: </label><br/>General encyclopedic works(030)
<br/><br/><label>Dewey Class. No.: </label>615.107 6