The new encyclopaedia Britannica vol.20  macropaedia: knowledge in depth 

 - 15th ed. 
 - Chicago  Encyclopaedia Britannica  2005 
 - [3],794 p.   
<br/><br/><label>ISBN: </label>1593392362 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Encyclopaedia<br/>ENCYCLOPAEDIA BRITANNICA
<br/><br/><label>Dewey Class. No.: </label>032  / NEW